<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created with Toppan Merrill Bridge  10.2.5.9 -->
<!--Based on XBRL 2.1-->
<!--Created on: 4/25/2023 3:46:34 PM-->
<!--Modified on: 4/25/2023 3:46:34 PM-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DocumentDocumentAndEntityInformation" roleURI="http://www.chalco.com.cn/role/DocumentDocumentAndEntityInformation" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#StatementConsolidatedStatementOfChangesInEquity" roleURI="http://www.chalco.com.cn/role/StatementConsolidatedStatementOfChangesInEquity" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInvestmentsInJointVenturesAndAssociatesTables" roleURI="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInterestBearingLoansAndBorrowingsTables" roleURI="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinancialAndCapitalRiskManagementTables" roleURI="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureNonControllingInterestsTables" roleURI="http://www.chalco.com.cn/role/DisclosureNonControllingInterestsTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureBusinessCombinationUnderCommonControlTables" roleURI="http://www.chalco.com.cn/role/DisclosureBusinessCombinationUnderCommonControlTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureGeneralInformationDetails" roleURI="http://www.chalco.com.cn/role/DisclosureGeneralInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSignificantChangesInCurrentReportingPeriodDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSignificantChangesInCurrentReportingPeriodDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesBasisOfPreparationDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSummaryOfSignificantAccountingPoliciesBasisOfPreparationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSignificantAccountingJudgementsAndEstimatesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSignificantAccountingJudgementsAndEstimatesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSignificantAccountingJudgementsAndEstimatesKeyMacroeconomicParametersDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSignificantAccountingJudgementsAndEstimatesKeyMacroeconomicParametersDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureRevenueAndSegmentInformationDisaggregatedRevenueDetails" roleURI="http://www.chalco.com.cn/role/DisclosureRevenueAndSegmentInformationDisaggregatedRevenueDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureRevenueAndSegmentInformationInformationAboutOperatingSegmentsResultsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureRevenueAndSegmentInformationInformationAboutOperatingSegmentsResultsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureRevenueAndSegmentInformationInformationAboutOperatingSegmentsAssetsAndLiabilitiesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureRevenueAndSegmentInformationInformationAboutOperatingSegmentsAssetsAndLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureRevenueAndSegmentInformationGeographicalInformationOfOperatingSegmentsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureRevenueAndSegmentInformationGeographicalInformationOfOperatingSegmentsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureIntangibleAssetsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureIntangibleAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureIntangibleAssetsAmortizationExpensesOfIntangibleAssetsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureIntangibleAssetsAmortizationExpensesOfIntangibleAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureIntangibleAssetsImpairmentTestingOfGoodwillDetails" roleURI="http://www.chalco.com.cn/role/DisclosureIntangibleAssetsImpairmentTestingOfGoodwillDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosurePropertyPlantAndEquipmentDetails" roleURI="http://www.chalco.com.cn/role/DisclosurePropertyPlantAndEquipmentDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosurePropertyPlantAndEquipmentDepreciationExpensesDetails" roleURI="http://www.chalco.com.cn/role/DisclosurePropertyPlantAndEquipmentDepreciationExpensesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInvestmentPropertiesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInvestmentPropertiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInvestmentsInJointVenturesAndAssociatesJointVenturesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesJointVenturesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInvestmentsInJointVenturesAndAssociatesFinancialInformationDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesFinancialInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInvestmentsInJointVenturesAndAssociatesJointVenturesNotIndividuallyMaterialDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesJointVenturesNotIndividuallyMaterialDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInvestmentsInJointVenturesAndAssociatesAssociatesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesAssociatesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInvestmentsInJointVenturesAndAssociatesAssociatesNotIndividuallyMaterialDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesAssociatesNotIndividuallyMaterialDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureOtherFinancialAssetsMeasuredAtFairValueDetails" roleURI="http://www.chalco.com.cn/role/DisclosureOtherFinancialAssetsMeasuredAtFairValueDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureDeferredTaxAssetsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureDeferredTaxAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureDeferredTaxLiabilitiesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureDeferredTaxLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureDeferredTaxUnrecognisedTaxLossesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureDeferredTaxUnrecognisedTaxLossesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInventoriesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInventoriesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInventoriesMovementsInProvisionForImpairmentOfInventoriesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInventoriesMovementsInProvisionForImpairmentOfInventoriesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureTradeReceivablesAndNotesReceivablesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureTradeReceivablesAndNotesReceivablesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureTradeReceivablesAndNotesReceivablesAgeingAnalysisOfTradeReceivablesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureTradeReceivablesAndNotesReceivablesAgeingAnalysisOfTradeReceivablesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureTradeReceivablesAndNotesReceivablesCreditRiskExposureDetails" roleURI="http://www.chalco.com.cn/role/DisclosureTradeReceivablesAndNotesReceivablesCreditRiskExposureDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureTradeReceivablesAndNotesReceivablesMovementsOnProvisionForImpairmentOfTradeReceivablesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureTradeReceivablesAndNotesReceivablesMovementsOnProvisionForImpairmentOfTradeReceivablesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureOtherCurrentAssetsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureOtherCurrentAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureOtherCurrentAssetsAnalysisOfFinancialAssetsIncludedInOtherCurrentAssetsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureOtherCurrentAssetsAnalysisOfFinancialAssetsIncludedInOtherCurrentAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureOtherCurrentAssetsMovementsInProvisionForImpairmentOfOtherCurrentAssetsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureOtherCurrentAssetsMovementsInProvisionForImpairmentOfOtherCurrentAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureOtherCurrentAssetsFinancialAssetsIncludedInOtherCurrentAssetsAtAmortizedCostDetails" roleURI="http://www.chalco.com.cn/role/DisclosureOtherCurrentAssetsFinancialAssetsIncludedInOtherCurrentAssetsAtAmortizedCostDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureCashAndCashEquivalentsAndRestrictedCashCashAndCashEquivalentAndRestrictedCashDenominatedInForeignCurrenciesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureCashAndCashEquivalentsAndRestrictedCashCashAndCashEquivalentAndRestrictedCashDenominatedInForeignCurrenciesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureShareCapitalDetails" roleURI="http://www.chalco.com.cn/role/DisclosureShareCapitalDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureRestrictedSharesHeldForEmployeeShareSchemeDetails" roleURI="http://www.chalco.com.cn/role/DisclosureRestrictedSharesHeldForEmployeeShareSchemeDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureRestrictedSharesHeldForEmployeeShareSchemeGrantedAndRepurchaseObligationDetails" roleURI="http://www.chalco.com.cn/role/DisclosureRestrictedSharesHeldForEmployeeShareSchemeGrantedAndRepurchaseObligationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureRestrictedSharesHeldForEmployeeShareSchemeSharesIssuedDetails" roleURI="http://www.chalco.com.cn/role/DisclosureRestrictedSharesHeldForEmployeeShareSchemeSharesIssuedDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureOtherEquityInstrumentsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureOtherEquityInstrumentsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInterestBearingLoansAndBorrowingsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInterestBearingLoansAndBorrowingsShortTermLoansAndBorrowingsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsShortTermLoansAndBorrowingsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInterestBearingLoansAndBorrowingsOtherInformationDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsOtherInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInterestBearingLoansAndBorrowingsMaturityOfLongTermBankAndOtherLoansDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsMaturityOfLongTermBankAndOtherLoansDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInterestBearingLoansAndBorrowingsMediumTermAndLongTermNotesAndBondsAndPrivatePlacementNotesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsMediumTermAndLongTermNotesAndBondsAndPrivatePlacementNotesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInterestBearingLoansAndBorrowingsShortTermBankOtherLoansAndShortTermBondsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsShortTermBankOtherLoansAndShortTermBondsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureInterestBearingLoansAndBorrowingsGuaranteedInterestBearingLoansAndBorrowingsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsGuaranteedInterestBearingLoansAndBorrowingsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureLeaseCarryingAmountOfRightOfUseAndMovementDuringYearDetails" roleURI="http://www.chalco.com.cn/role/DisclosureLeaseCarryingAmountOfRightOfUseAndMovementDuringYearDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureTradeAndNotesPayablesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureTradeAndNotesPayablesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureTradeAndNotesPayablesAgeingAnalysisDetails" roleURI="http://www.chalco.com.cn/role/DisclosureTradeAndNotesPayablesAgeingAnalysisDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureOtherLossesGainsNetDetails" roleURI="http://www.chalco.com.cn/role/DisclosureOtherLossesGainsNetDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureOtherLossesGainsNetAdditionalInformationDetails" roleURI="http://www.chalco.com.cn/role/DisclosureOtherLossesGainsNetAdditionalInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinanceIncomeFinanceCostsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureFinanceIncomeFinanceCostsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureDirectorsAndSupervisorsRemunerationRemunerationOfEachDirectorAndSupervisorDetails" roleURI="http://www.chalco.com.cn/role/DisclosureDirectorsAndSupervisorsRemunerationRemunerationOfEachDirectorAndSupervisorDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureDirectorsAndSupervisorsRemunerationRemunerationOfDirectorsAndSupervisorsOfCompanyFellWithinFollowingBandDetails" roleURI="http://www.chalco.com.cn/role/DisclosureDirectorsAndSupervisorsRemunerationRemunerationOfDirectorsAndSupervisorsOfCompanyFellWithinFollowingBandDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureDirectorsAndSupervisorsRemunerationFiveHighestPaidIndividualsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureDirectorsAndSupervisorsRemunerationFiveHighestPaidIndividualsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureDirectorsAndSupervisorsRemunerationFiveHighestPaidIndividualsOthersDetails" roleURI="http://www.chalco.com.cn/role/DisclosureDirectorsAndSupervisorsRemunerationFiveHighestPaidIndividualsOthersDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureIncomeTaxExpenseDetails" roleURI="http://www.chalco.com.cn/role/DisclosureIncomeTaxExpenseDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureNotesToConsolidatedStatementOfCashFlowsFinancingActivitiesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureNotesToConsolidatedStatementOfCashFlowsFinancingActivitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSignificantRelatedPartyBalancesAndTransactionsSignificantRelatedPartyTransactionsTableContentDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSignificantRelatedPartyBalancesAndTransactionsSignificantRelatedPartyTransactionsTableContentDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSignificantRelatedPartyBalancesAndTransactionsBalancesWithRelatedPartiesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSignificantRelatedPartyBalancesAndTransactionsBalancesWithRelatedPartiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSignificantRelatedPartyBalancesAndTransactionsCompensationOfDirectorsSupervisorsAndSeniorManagementDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSignificantRelatedPartyBalancesAndTransactionsCompensationOfDirectorsSupervisorsAndSeniorManagementDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureSignificantRelatedPartyBalancesAndTransactionsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureSignificantRelatedPartyBalancesAndTransactionsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinancialAndCapitalRiskManagementDetails" roleURI="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinancialAndCapitalRiskManagementCommodityPriceRiskDetails" roleURI="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementCommodityPriceRiskDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinancialAndCapitalRiskManagementCreditRiskDetails" roleURI="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementCreditRiskDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinancialAndCapitalRiskManagementLiquidityMaturityProfileDetails" roleURI="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementLiquidityMaturityProfileDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinancialAndCapitalRiskManagementFinancialInstrumentsByCategoryDetails" roleURI="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementFinancialInstrumentsByCategoryDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinancialAndCapitalRiskManagementFairValueDetails" roleURI="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementFairValueDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureFinancialAndCapitalRiskManagementFairValueHierarchyDetails" roleURI="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementFairValueHierarchyDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureNonControllingInterestsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureNonControllingInterestsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureBusinessCombinationUnderCommonControlDetails" roleURI="http://www.chalco.com.cn/role/DisclosureBusinessCombinationUnderCommonControlDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureDisposalOfSubsidiariesDetails" roleURI="http://www.chalco.com.cn/role/DisclosureDisposalOfSubsidiariesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureCommitmentsDetails" roleURI="http://www.chalco.com.cn/role/DisclosureCommitmentsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <link:roleRef roleURI="http://www.chalco.com.cn/role/DisclosureStandardAndCustomAxisDomainDefaults" xlink:type="simple" xlink:href="ach-20221231.xsd#DisclosureStandardAndCustomAxisDomainDefaults" />
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-roles-2022.xsd#eedm" />
  <link:arcroleRef arcroleURI="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd#wider-narrower" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" />
  <link:definitionLink xlink:type="extended" xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:title="Extensible Enumeration Domain Members" />
  <link:definitionLink xlink:type="extended" xlink:role="http://www.chalco.com.cn/role/DisclosureStandardAndCustomAxisDomainDefaults">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ClassesOfShareCapitalAxis" xlink:title="ClassesOfShareCapitalAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfShareCapitalMember" xlink:label="ClassesOfShareCapitalMember" xlink:title="ClassesOfShareCapitalMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfShareCapitalAxis" xlink:to="ClassesOfShareCapitalMember" xlink:title="definition: ClassesOfShareCapitalAxis to ClassesOfShareCapitalMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressesAddressTypeAxis" xlink:label="EntityAddressesAddressTypeAxis" xlink:title="EntityAddressesAddressTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AddressTypeDomain" xlink:label="AddressTypeDomain" xlink:title="AddressTypeDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="EntityAddressesAddressTypeAxis" xlink:to="AddressTypeDomain" xlink:title="definition: EntityAddressesAddressTypeAxis to AddressTypeDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ComponentsOfEquityAxis" xlink:title="ComponentsOfEquityAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityMember" xlink:label="EquityMember" xlink:title="EquityMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ComponentsOfEquityAxis" xlink:to="EquityMember" xlink:title="definition: ComponentsOfEquityAxis to EquityMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:label="RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:title="RetrospectiveApplicationAndRetrospectiveRestatementAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RestatedMember" xlink:label="RestatedMember" xlink:title="RestatedMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:to="RestatedMember" xlink:title="definition: RetrospectiveApplicationAndRetrospectiveRestatementAxis to RestatedMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InitiallyAppliedIFRSsAxis" xlink:label="InitiallyAppliedIFRSsAxis" xlink:title="InitiallyAppliedIFRSsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InitiallyAppliedIFRSsMember" xlink:label="InitiallyAppliedIFRSsMember" xlink:title="InitiallyAppliedIFRSsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="InitiallyAppliedIFRSsAxis" xlink:to="InitiallyAppliedIFRSsMember" xlink:title="definition: InitiallyAppliedIFRSsAxis to InitiallyAppliedIFRSsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ClassesOfAssetsAxis" xlink:title="ClassesOfAssetsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsMember" xlink:label="ClassesOfAssetsMember" xlink:title="ClassesOfAssetsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfAssetsAxis" xlink:to="ClassesOfAssetsMember" xlink:title="definition: ClassesOfAssetsAxis to ClassesOfAssetsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAxis" xlink:label="RestatementAxis" xlink:title="RestatementAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain" xlink:label="RestatementDomain" xlink:title="RestatementDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="RestatementAxis" xlink:to="RestatementDomain" xlink:title="definition: RestatementAxis to RestatementDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ClassesOfFinancialAssetsAxis" xlink:title="ClassesOfFinancialAssetsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsMember" xlink:label="FinancialAssetsMember" xlink:title="FinancialAssetsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfFinancialAssetsAxis" xlink:to="FinancialAssetsMember" xlink:title="definition: ClassesOfFinancialAssetsAxis to FinancialAssetsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="CategoriesOfFinancialAssetsAxis" xlink:title="CategoriesOfFinancialAssetsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsCategoryMember" xlink:label="FinancialAssetsCategoryMember" xlink:title="FinancialAssetsCategoryMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CategoriesOfFinancialAssetsAxis" xlink:to="FinancialAssetsCategoryMember" xlink:title="definition: CategoriesOfFinancialAssetsAxis to FinancialAssetsCategoryMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ClassesOfFinancialLiabilitiesAxis" xlink:title="ClassesOfFinancialLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesMember" xlink:label="FinancialLiabilitiesMember" xlink:title="FinancialLiabilitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfFinancialLiabilitiesAxis" xlink:to="FinancialLiabilitiesMember" xlink:title="definition: ClassesOfFinancialLiabilitiesAxis to FinancialLiabilitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:title="CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="CarryingAmountMember" xlink:title="CarryingAmountMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="CarryingAmountMember" xlink:title="definition: CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis to CarryingAmountMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesAxis" xlink:label="JointVenturesAxis" xlink:title="JointVenturesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForJointVenturesMember" xlink:label="EntitysTotalForJointVenturesMember" xlink:title="EntitysTotalForJointVenturesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="JointVenturesAxis" xlink:to="EntitysTotalForJointVenturesMember" xlink:title="definition: JointVenturesAxis to EntitysTotalForJointVenturesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="SignificantInvestmentsInAssociatesAxis" xlink:title="SignificantInvestmentsInAssociatesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="EntitysTotalForAssociatesMember" xlink:title="EntitysTotalForAssociatesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SignificantInvestmentsInAssociatesAxis" xlink:to="EntitysTotalForAssociatesMember" xlink:title="definition: SignificantInvestmentsInAssociatesAxis to EntitysTotalForAssociatesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="EntityDomain" xlink:title="EntityDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" xlink:title="definition: LegalEntityAxis to EntityDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MeasurementAxis" xlink:label="MeasurementAxis" xlink:title="MeasurementAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedMeasurementMember" xlink:label="AggregatedMeasurementMember" xlink:title="AggregatedMeasurementMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="MeasurementAxis" xlink:to="AggregatedMeasurementMember" xlink:title="definition: MeasurementAxis to AggregatedMeasurementMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CounterpartiesAxis" xlink:label="CounterpartiesAxis" xlink:title="CounterpartiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CounterpartiesMember" xlink:label="CounterpartiesMember" xlink:title="CounterpartiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CounterpartiesAxis" xlink:to="CounterpartiesMember" xlink:title="definition: CounterpartiesAxis to CounterpartiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:label="InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:title="InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:title="InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:to="InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:title="definition: InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis to InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="MaturityAxis" xlink:title="MaturityAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="AggregatedTimeBandsMember" xlink:title="AggregatedTimeBandsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="MaturityAxis" xlink:to="AggregatedTimeBandsMember" xlink:title="definition: MaturityAxis to AggregatedTimeBandsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="CategoriesOfFinancialLiabilitiesAxis" xlink:title="CategoriesOfFinancialLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesCategoryMember" xlink:label="FinancialLiabilitiesCategoryMember" xlink:title="FinancialLiabilitiesCategoryMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CategoriesOfFinancialLiabilitiesAxis" xlink:to="FinancialLiabilitiesCategoryMember" xlink:title="definition: CategoriesOfFinancialLiabilitiesAxis to FinancialLiabilitiesCategoryMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CurrencyAxis" xlink:label="CurrencyAxis" xlink:title="CurrencyAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_AllCurrenciesDomain" xlink:label="AllCurrenciesDomain" xlink:title="AllCurrenciesDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CurrencyAxis" xlink:to="AllCurrenciesDomain" xlink:title="definition: CurrencyAxis to AllCurrenciesDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:label="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:title="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:label="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:title="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:title="definition: TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis to TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="BorrowingsByNameAxis" xlink:title="BorrowingsByNameAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="BorrowingsByNameMember" xlink:title="BorrowingsByNameMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="BorrowingsByNameAxis" xlink:to="BorrowingsByNameMember" xlink:title="definition: BorrowingsByNameAxis to BorrowingsByNameMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="CategoriesOfRelatedPartiesAxis" xlink:title="CategoriesOfRelatedPartiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="EntitysTotalForRelatedPartiesMember" xlink:title="EntitysTotalForRelatedPartiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CategoriesOfRelatedPartiesAxis" xlink:to="EntitysTotalForRelatedPartiesMember" xlink:title="definition: CategoriesOfRelatedPartiesAxis to EntitysTotalForRelatedPartiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangesMember" xlink:label="RangesMember" xlink:title="RangesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="RangeAxis" xlink:to="RangesMember" xlink:title="definition: RangeAxis to RangesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuarantorByNameAxis" xlink:label="GuarantorByNameAxis" xlink:title="GuarantorByNameAxis" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuarantorByNameMember" xlink:label="GuarantorByNameMember" xlink:title="GuarantorByNameMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="GuarantorByNameAxis" xlink:to="GuarantorByNameMember" xlink:title="definition: GuarantorByNameAxis to GuarantorByNameMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="SignificantInvestmentsInSubsidiariesAxis" xlink:title="SignificantInvestmentsInSubsidiariesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="EntitysTotalForSubsidiariesMember" xlink:title="EntitysTotalForSubsidiariesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SignificantInvestmentsInSubsidiariesAxis" xlink:to="EntitysTotalForSubsidiariesMember" xlink:title="definition: SignificantInvestmentsInSubsidiariesAxis to EntitysTotalForSubsidiariesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfInterestRatesAxis" xlink:label="TypesOfInterestRatesAxis" xlink:title="TypesOfInterestRatesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestRateTypesMember" xlink:label="InterestRateTypesMember" xlink:title="InterestRateTypesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfInterestRatesAxis" xlink:to="InterestRateTypesMember" xlink:title="definition: TypesOfInterestRatesAxis to InterestRateTypesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsRelatedPartyTransactionAxis" xlink:label="IfrsRelatedPartyTransactionAxis" xlink:title="IfrsRelatedPartyTransactionAxis" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsRelatedPartyTransactionDomain" xlink:label="IfrsRelatedPartyTransactionDomain" xlink:title="IfrsRelatedPartyTransactionDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="IfrsRelatedPartyTransactionAxis" xlink:to="IfrsRelatedPartyTransactionDomain" xlink:title="definition: IfrsRelatedPartyTransactionAxis to IfrsRelatedPartyTransactionDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="BusinessCombinationsAxis" xlink:title="BusinessCombinationsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:label="EntitysTotalForBusinessCombinationsMember" xlink:title="EntitysTotalForBusinessCombinationsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="BusinessCombinationsAxis" xlink:to="EntitysTotalForBusinessCombinationsMember" xlink:title="definition: BusinessCombinationsAxis to EntitysTotalForBusinessCombinationsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="TypesOfRisksAxis" xlink:title="TypesOfRisksAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksMember" xlink:label="TypesOfRisksMember" xlink:title="TypesOfRisksMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfRisksAxis" xlink:to="TypesOfRisksMember" xlink:title="definition: TypesOfRisksAxis to TypesOfRisksMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CommodityProductionTypeAxis" xlink:label="CommodityProductionTypeAxis" xlink:title="CommodityProductionTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProductionTypeMember" xlink:label="ProductionTypeMember" xlink:title="ProductionTypeMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CommodityProductionTypeAxis" xlink:to="ProductionTypeMember" xlink:title="definition: CommodityProductionTypeAxis to ProductionTypeMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:label="TypesOfFinancialLiabilitiesAxis" xlink:title="TypesOfFinancialLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesTypeMember" xlink:label="FinancialLiabilitiesTypeMember" xlink:title="FinancialLiabilitiesTypeMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfFinancialLiabilitiesAxis" xlink:to="FinancialLiabilitiesTypeMember" xlink:title="definition: TypesOfFinancialLiabilitiesAxis to FinancialLiabilitiesTypeMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:label="TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:title="TypeOfMeasurementOfExpectedCreditLossesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:label="TypeOfMeasurementOfExpectedCreditLossesMember" xlink:title="TypeOfMeasurementOfExpectedCreditLossesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:to="TypeOfMeasurementOfExpectedCreditLossesMember" xlink:title="definition: TypeOfMeasurementOfExpectedCreditLossesAxis to TypeOfMeasurementOfExpectedCreditLossesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:label="CreditImpairmentOfFinancialInstrumentsAxis" xlink:title="CreditImpairmentOfFinancialInstrumentsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" xlink:label="CreditImpairmentOfFinancialInstrumentsMember" xlink:title="CreditImpairmentOfFinancialInstrumentsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CreditImpairmentOfFinancialInstrumentsAxis" xlink:to="CreditImpairmentOfFinancialInstrumentsMember" xlink:title="definition: CreditImpairmentOfFinancialInstrumentsAxis to CreditImpairmentOfFinancialInstrumentsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:label="MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:title="MethodOfAssessmentOfExpectedCreditLossesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesMember" xlink:label="MethodOfAssessmentOfExpectedCreditLossesMember" xlink:title="MethodOfAssessmentOfExpectedCreditLossesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:to="MethodOfAssessmentOfExpectedCreditLossesMember" xlink:title="definition: MethodOfAssessmentOfExpectedCreditLossesAxis to MethodOfAssessmentOfExpectedCreditLossesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:label="AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:title="AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:label="AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:title="AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:to="AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:title="definition: AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis to AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ClassesOfPropertyPlantAndEquipmentAxis" xlink:title="ClassesOfPropertyPlantAndEquipmentAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipmentMember" xlink:label="PropertyPlantAndEquipmentMember" xlink:title="PropertyPlantAndEquipmentMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="PropertyPlantAndEquipmentMember" xlink:title="definition: ClassesOfPropertyPlantAndEquipmentAxis to PropertyPlantAndEquipmentMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:label="ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:title="ClassesOfIntangibleAssetsOtherThanGoodwillAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:label="IntangibleAssetsOtherThanGoodwillMember" xlink:title="IntangibleAssetsOtherThanGoodwillMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="IntangibleAssetsOtherThanGoodwillMember" xlink:title="definition: ClassesOfIntangibleAssetsOtherThanGoodwillAxis to IntangibleAssetsOtherThanGoodwillMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfInvestmentPropertyAxis" xlink:label="TypesOfInvestmentPropertyAxis" xlink:title="TypesOfInvestmentPropertyAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentPropertyMember" xlink:label="InvestmentPropertyMember" xlink:title="InvestmentPropertyMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfInvestmentPropertyAxis" xlink:to="InvestmentPropertyMember" xlink:title="definition: TypesOfInvestmentPropertyAxis to InvestmentPropertyMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:label="AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:title="AttributionOfExpensesByNatureToTheirFunctionAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LineItemsByFunctionMember" xlink:label="LineItemsByFunctionMember" xlink:title="LineItemsByFunctionMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="LineItemsByFunctionMember" xlink:title="definition: AttributionOfExpensesByNatureToTheirFunctionAxis to LineItemsByFunctionMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="StatementScenarioAxis" xlink:to="ScenarioUnspecifiedDomain" xlink:title="definition: StatementScenarioAxis to ScenarioUnspecifiedDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsAxis" xlink:label="SegmentsAxis" xlink:title="SegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsMember" xlink:label="SegmentsMember" xlink:title="SegmentsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SegmentsAxis" xlink:to="SegmentsMember" xlink:title="definition: SegmentsAxis to SegmentsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="SegmentConsolidationItemsAxis" xlink:title="SegmentConsolidationItemsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:label="EntitysTotalForSegmentConsolidationItemsMember" xlink:title="EntitysTotalForSegmentConsolidationItemsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SegmentConsolidationItemsAxis" xlink:to="EntitysTotalForSegmentConsolidationItemsMember" xlink:title="definition: SegmentConsolidationItemsAxis to EntitysTotalForSegmentConsolidationItemsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="GeographicalAreasAxis" xlink:title="GeographicalAreasAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasMember" xlink:label="GeographicalAreasMember" xlink:title="GeographicalAreasMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="GeographicalAreasAxis" xlink:to="GeographicalAreasMember" xlink:title="definition: GeographicalAreasAxis to GeographicalAreasMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:label="TimingOfTransferOfGoodsOrServicesAxis" xlink:title="TimingOfTransferOfGoodsOrServicesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:label="TimingOfTransferOfGoodsOrServicesMember" xlink:title="TimingOfTransferOfGoodsOrServicesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TimingOfTransferOfGoodsOrServicesAxis" xlink:to="TimingOfTransferOfGoodsOrServicesMember" xlink:title="definition: TimingOfTransferOfGoodsOrServicesAxis to TimingOfTransferOfGoodsOrServicesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersAxis" xlink:label="MajorCustomersAxis" xlink:title="MajorCustomersAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersMember" xlink:label="MajorCustomersMember" xlink:title="MajorCustomersMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="MajorCustomersAxis" xlink:to="MajorCustomersMember" xlink:title="definition: MajorCustomersAxis to MajorCustomersMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProductsAndServicesAxis" xlink:label="ProductsAndServicesAxis" xlink:title="ProductsAndServicesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProductsAndServicesMember" xlink:label="ProductsAndServicesMember" xlink:title="ProductsAndServicesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ProductsAndServicesAxis" xlink:to="ProductsAndServicesMember" xlink:title="definition: ProductsAndServicesAxis to ProductsAndServicesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:label="ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:title="ClassesOfIntangibleAssetsAndGoodwillAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:label="IntangibleAssetsAndGoodwillMember" xlink:title="IntangibleAssetsAndGoodwillMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="IntangibleAssetsAndGoodwillMember" xlink:title="definition: ClassesOfIntangibleAssetsAndGoodwillAxis to IntangibleAssetsAndGoodwillMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:label="IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:title="IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:label="EntitysTotalForCashgeneratingUnitsMember" xlink:title="EntitysTotalForCashgeneratingUnitsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:to="EntitysTotalForCashgeneratingUnitsMember" xlink:title="definition: IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis to EntitysTotalForCashgeneratingUnitsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:label="IndividualAssetsOrCashgeneratingUnitsAxis" xlink:title="IndividualAssetsOrCashgeneratingUnitsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember" xlink:label="EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember" xlink:title="EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="IndividualAssetsOrCashgeneratingUnitsAxis" xlink:to="EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember" xlink:title="definition: IndividualAssetsOrCashgeneratingUnitsAxis to EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PastDueStatusAxis" xlink:label="PastDueStatusAxis" xlink:title="PastDueStatusAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PastDueStatusMember" xlink:label="PastDueStatusMember" xlink:title="PastDueStatusMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="PastDueStatusAxis" xlink:to="PastDueStatusMember" xlink:title="definition: PastDueStatusAxis to PastDueStatusMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:label="ImpairmentOfFinancialAssetsAxis" xlink:title="ImpairmentOfFinancialAssetsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForImpairmentOfFinancialAssetsMember" xlink:label="EntitysTotalForImpairmentOfFinancialAssetsMember" xlink:title="EntitysTotalForImpairmentOfFinancialAssetsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ImpairmentOfFinancialAssetsAxis" xlink:to="EntitysTotalForImpairmentOfFinancialAssetsMember" xlink:title="definition: ImpairmentOfFinancialAssetsAxis to EntitysTotalForImpairmentOfFinancialAssetsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfProvisionsAxis" xlink:label="ClassesOfProvisionsAxis" xlink:title="ClassesOfProvisionsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherProvisionsMember" xlink:label="OtherProvisionsMember" xlink:title="OtherProvisionsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfProvisionsAxis" xlink:to="OtherProvisionsMember" xlink:title="definition: ClassesOfProvisionsAxis to OtherProvisionsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ClassesOfFinancialInstrumentsAxis" xlink:title="ClassesOfFinancialInstrumentsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialInstrumentsMember" xlink:label="ClassesOfFinancialInstrumentsMember" xlink:title="ClassesOfFinancialInstrumentsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfFinancialInstrumentsAxis" xlink:to="ClassesOfFinancialInstrumentsMember" xlink:title="definition: ClassesOfFinancialInstrumentsAxis to ClassesOfFinancialInstrumentsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NewIFRSsAxis" xlink:label="NewIFRSsAxis" xlink:title="NewIFRSsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NewIFRSsMember" xlink:label="NewIFRSsMember" xlink:title="NewIFRSsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="NewIFRSsAxis" xlink:to="NewIFRSsMember" xlink:title="definition: NewIFRSsAxis to NewIFRSsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:label="LiabilitiesArisingFromFinancingActivitiesAxis" xlink:title="LiabilitiesArisingFromFinancingActivitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:label="LiabilitiesArisingFromFinancingActivitiesMember" xlink:title="LiabilitiesArisingFromFinancingActivitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="LiabilitiesArisingFromFinancingActivitiesMember" xlink:title="definition: LiabilitiesArisingFromFinancingActivitiesAxis to LiabilitiesArisingFromFinancingActivitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="LevelsOfFairValueHierarchyAxis" xlink:title="LevelsOfFairValueHierarchyAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:label="AllLevelsOfFairValueHierarchyMember" xlink:title="AllLevelsOfFairValueHierarchyMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="LevelsOfFairValueHierarchyAxis" xlink:to="AllLevelsOfFairValueHierarchyMember" xlink:title="definition: LevelsOfFairValueHierarchyAxis to AllLevelsOfFairValueHierarchyMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:label="ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:title="ValuationTechniquesUsedInFairValueMeasurementAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ValuationTechniquesMember" xlink:label="ValuationTechniquesMember" xlink:title="ValuationTechniquesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="ValuationTechniquesMember" xlink:title="definition: ValuationTechniquesUsedInFairValueMeasurementAxis to ValuationTechniquesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:label="ClassesOfContingentLiabilitiesAxis" xlink:title="ClassesOfContingentLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContingentLiabilitiesMember" xlink:label="ContingentLiabilitiesMember" xlink:title="ContingentLiabilitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfContingentLiabilitiesAxis" xlink:to="ContingentLiabilitiesMember" xlink:title="definition: ClassesOfContingentLiabilitiesAxis to ContingentLiabilitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="NonadjustingEventsAfterReportingPeriodAxis" xlink:title="NonadjustingEventsAfterReportingPeriodAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NonadjustingEventsMember" xlink:label="NonadjustingEventsMember" xlink:title="NonadjustingEventsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="NonadjustingEventsAfterReportingPeriodAxis" xlink:to="NonadjustingEventsMember" xlink:title="definition: NonadjustingEventsAfterReportingPeriodAxis to NonadjustingEventsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="ConsolidatedEntitiesAxis" xlink:title="ConsolidatedEntitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="ConsolidatedEntitiesDomain" xlink:title="ConsolidatedEntitiesDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ConsolidatedEntitiesAxis" xlink:to="ConsolidatedEntitiesDomain" xlink:title="definition: ConsolidatedEntitiesAxis to ConsolidatedEntitiesDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrencyInWhichInformationIsDisplayedAxis" xlink:label="CurrencyInWhichInformationIsDisplayedAxis" xlink:title="CurrencyInWhichInformationIsDisplayedAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FunctionalOrPresentationCurrencyMember" xlink:label="FunctionalOrPresentationCurrencyMember" xlink:title="FunctionalOrPresentationCurrencyMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CurrencyInWhichInformationIsDisplayedAxis" xlink:to="FunctionalOrPresentationCurrencyMember" xlink:title="definition: CurrencyInWhichInformationIsDisplayedAxis to FunctionalOrPresentationCurrencyMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CumulativeEffectAtDateOfInitialApplicationAxis" xlink:label="ifrs-full_CumulativeEffectAtDateOfInitialApplicationAxis_1" xlink:title="ifrs-full_CumulativeEffectAtDateOfInitialApplicationAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OpeningBalanceBeforeAdjustmentCumulativeEffectAtDateOfInitialApplicationMember" xlink:label="ifrs-full_OpeningBalanceBeforeAdjustmentCumulativeEffectAtDateOfInitialApplicationMember_1" xlink:title="ifrs-full_OpeningBalanceBeforeAdjustmentCumulativeEffectAtDateOfInitialApplicationMember_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ifrs-full_CumulativeEffectAtDateOfInitialApplicationAxis_1" xlink:to="ifrs-full_OpeningBalanceBeforeAdjustmentCumulativeEffectAtDateOfInitialApplicationMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ifrs-full_CumulativeEffectAtDateOfInitialApplicationAxis_1 To ifrs-full_OpeningBalanceBeforeAdjustmentCumulativeEffectAtDateOfInitialApplicationMember_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RemunerationAxis" xlink:label="ach_RemunerationAxis_1" xlink:title="ach_RemunerationAxis_1" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RemunerationDomain" xlink:label="ach_RemunerationDomain_1" xlink:title="ach_RemunerationDomain_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ach_RemunerationAxis_1" xlink:to="ach_RemunerationDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ach_RemunerationAxis_1 To ach_RemunerationDomain_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_1" xlink:title="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharebasedPaymentArrangementsMember" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember_1" xlink:title="ifrs-full_SharebasedPaymentArrangementsMember_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_1" xlink:to="ifrs-full_SharebasedPaymentArrangementsMember_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_1 To ifrs-full_SharebasedPaymentArrangementsMember_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsAwardTypeAxis" xlink:label="ach_IfrsAwardTypeAxis_1" xlink:title="ach_IfrsAwardTypeAxis_1" />
    <link:loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" xlink:title="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ach_IfrsAwardTypeAxis_1" xlink:to="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ach_IfrsAwardTypeAxis_1 To ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" order="1" />
  </link:definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DocumentDocumentAndEntityInformation" xlink:type="extended" xlink:title="00090 - Document - Document and Entity Information" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ifrs-full_ClassesOfShareCapitalAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="dei_DocumentInformationTable" xlink:to="ifrs-full_ClassesOfShareCapitalAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfShareCapitalMember" xlink:label="ifrs-full_ClassesOfShareCapitalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfShareCapitalAxis" xlink:to="ifrs-full_ClassesOfShareCapitalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DomesticSharesMember" xlink:label="ach_DomesticSharesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfShareCapitalMember" xlink:to="ach_DomesticSharesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ClassOfHSharesMember" xlink:label="ach_ClassOfHSharesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfShareCapitalMember" xlink:to="ach_ClassOfHSharesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressesAddressTypeAxis" xlink:label="dei_EntityAddressesAddressTypeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="dei_DocumentInformationTable" xlink:to="dei_EntityAddressesAddressTypeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AddressTypeDomain" xlink:label="dei_AddressTypeDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="dei_EntityAddressesAddressTypeAxis" xlink:to="dei_AddressTypeDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_BusinessContactMember" xlink:label="dei_BusinessContactMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="dei_AddressTypeDomain" xlink:to="dei_BusinessContactMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentInformationTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentType" xlink:label="dei_DocumentType" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentType" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentRegistrationStatement" xlink:label="dei_DocumentRegistrationStatement" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentRegistrationStatement" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAnnualReport" xlink:label="dei_DocumentAnnualReport" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentAnnualReport" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentTransitionReport" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentShellCompanyReport" xlink:label="dei_DocumentShellCompanyReport" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentShellCompanyReport" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityFileNumber" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityRegistrantName" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityIncorporationStateCountryCode" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressAddressLine1" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressAddressLine2" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressCityOrTown" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCountry" xlink:label="dei_EntityAddressCountry" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressCountry" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressPostalZipCode" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_CityAreaCode" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_LocalPhoneNumber" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_ContactPersonnelName" xlink:label="dei_ContactPersonnelName" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="18" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_ContactPersonnelName" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_ContactPersonnelEmailAddress" xlink:label="dei_ContactPersonnelEmailAddress" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="19" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_ContactPersonnelEmailAddress" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_Security12bTitle" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_NoTradingSymbolFlag" xlink:label="dei_NoTradingSymbolFlag" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="21" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_NoTradingSymbolFlag" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="22" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_SecurityExchangeName" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="23" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityWellKnownSeasonedIssuer" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="24" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityVoluntaryFilers" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="25" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCurrentReportingStatus" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="26" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityInteractiveDataCurrent" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="27" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityFilerCategory" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="28" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCommonStockSharesOutstanding" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="29" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityEmergingGrowthCompany" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="30" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityShellCompany" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_IcfrAuditorAttestationFlag" xlink:label="dei_IcfrAuditorAttestationFlag" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="31" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_IcfrAuditorAttestationFlag" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAccountingStandard" xlink:label="dei_DocumentAccountingStandard" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="32" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentAccountingStandard" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AuditorName" xlink:label="dei_AuditorName" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="33" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditorName" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AuditorFirmId" xlink:label="dei_AuditorFirmId" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="34" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditorFirmId" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AuditorLocation" xlink:label="dei_AuditorLocation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="35" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditorLocation" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="36" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCentralIndexKey" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="37" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_CurrentFiscalYearEndDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="38" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFiscalYearFocus" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="39" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFiscalPeriodFocus" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="40" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AmendmentFlag" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/StatementConsolidatedStatementOfChangesInEquity" xlink:type="extended" xlink:title="00300 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN EQUITY" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="ifrs-full_StatementOfChangesInEquityTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ifrs-full_ComponentsOfEquityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_StatementOfChangesInEquityTable" xlink:to="ifrs-full_ComponentsOfEquityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityMember" xlink:label="ifrs-full_EquityMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_EquityAttributableToOwnersOfParentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IssuedCapitalMember" xlink:label="ifrs-full_IssuedCapitalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_IssuedCapitalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CapitalReserveMember" xlink:label="ifrs-full_CapitalReserveMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_CapitalReserveMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharePremiumMember" xlink:label="ifrs-full_SharePremiumMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CapitalReserveMember" xlink:to="ifrs-full_SharePremiumMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherCapitalReservesMember" xlink:label="ach_OtherCapitalReservesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CapitalReserveMember" xlink:to="ach_OtherCapitalReservesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SharesHeldForEmployeeShareSchemeMember" xlink:label="ach_SharesHeldForEmployeeShareSchemeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ach_SharesHeldForEmployeeShareSchemeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatutoryReserveMember" xlink:label="ifrs-full_StatutoryReserveMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_StatutoryReserveMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SpecialReserveMember" xlink:label="ach_SpecialReserveMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ach_SpecialReserveMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherEquityInterestMember" xlink:label="ifrs-full_OtherEquityInterestMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_OtherEquityInterestMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RetainedEarningsMember" xlink:label="ifrs-full_RetainedEarningsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_RetainedEarningsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncontrollingInterestsMember" xlink:label="ifrs-full_NoncontrollingInterestsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_NoncontrollingInterestsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_StatementOfChangesInEquityTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EquityBeforeAdjustment" xlink:label="ach_EquityBeforeAdjustment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ach_EquityBeforeAdjustment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseOrDecreaseInEquityResultingFromChangesInAccountingPolicies" xlink:label="ach_IncreaseOrDecreaseInEquityResultingFromChangesInAccountingPolicies" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ach_IncreaseOrDecreaseInEquityResultingFromChangesInAccountingPolicies" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AdjustmentToEquityForCombinationsUnderCommonControl" xlink:label="ach_AdjustmentToEquityForCombinationsUnderCommonControl" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ach_AdjustmentToEquityForCombinationsUnderCommonControl" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_Equity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_ProfitLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_OtherComprehensiveIncomeAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChangesInFairValueOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:label="ach_ChangesInFairValueOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeNetOfTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_ChangesInFairValueOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeNetOfTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_ComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseOrDecreaseThroughTransactionsWithNonControllingShareholdersEquity" xlink:label="ach_IncreaseOrDecreaseThroughTransactionsWithNonControllingShareholdersEquity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_IncreaseOrDecreaseThroughTransactionsWithNonControllingShareholdersEquity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseThroughCapitalContributionsByNonControllingInterestsEquity" xlink:label="ach_IncreaseThroughCapitalContributionsByNonControllingInterestsEquity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_IncreaseThroughCapitalContributionsByNonControllingInterestsEquity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AppropriationToSurplusReserves" xlink:label="ach_AppropriationToSurplusReserves" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_AppropriationToSurplusReserves" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseThroughIssuanceOfSharesForEmployeeShareScheme" xlink:label="ach_IncreaseDecreaseThroughIssuanceOfSharesForEmployeeShareScheme" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_IncreaseDecreaseThroughIssuanceOfSharesForEmployeeShareScheme" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" xlink:label="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary" xlink:label="ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseThroughReleaseOfGovernmentGrantEquity" xlink:label="ach_IncreaseThroughReleaseOfGovernmentGrantEquity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_IncreaseThroughReleaseOfGovernmentGrantEquity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings" xlink:label="ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseThroughShareOfReservesOfJointVenturesAndAssociates" xlink:label="ach_IncreaseDecreaseThroughShareOfReservesOfJointVenturesAndAssociates" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_IncreaseDecreaseThroughShareOfReservesOfJointVenturesAndAssociates" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DecreaseThroughDistributionOfOtherEquityInstruments" xlink:label="ach_DecreaseThroughDistributionOfOtherEquityInstruments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_DecreaseThroughDistributionOfOtherEquityInstruments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OffsetOfStatutorySurplusReservesAgainstAccumulatedLosses" xlink:label="ach_OffsetOfStatutorySurplusReservesAgainstAccumulatedLosses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_OffsetOfStatutorySurplusReservesAgainstAccumulatedLosses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DecreaseThroughUnderwritingFeesOfOtherEquityInstruments" xlink:label="ach_DecreaseThroughUnderwritingFeesOfOtherEquityInstruments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="18" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_DecreaseThroughUnderwritingFeesOfOtherEquityInstruments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="19" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsPaid" xlink:label="ifrs-full_DividendsPaid" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_DividendsPaid" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RepaymentOfSeniorPerpetualSecurity" xlink:label="ach_RepaymentOfSeniorPerpetualSecurity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="21" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_RepaymentOfSeniorPerpetualSecurity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IssuanceOfSeniorPerpetualSecurities" xlink:label="ach_IssuanceOfSeniorPerpetualSecurities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="22" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_IssuanceOfSeniorPerpetualSecurities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseThroughDistributionOfOtherEquityInstruments" xlink:label="ach_IncreaseThroughDistributionOfOtherEquityInstruments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="23" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ach_IncreaseThroughDistributionOfOtherEquityInstruments" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesTables" xlink:type="extended" xlink:title="30903 - Disclosure - INVESTMENTS IN JOINT VENTURES AND ASSOCIATES (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfJointVenturesTable" xlink:label="ifrs-full_DisclosureOfJointVenturesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesAxis" xlink:label="ifrs-full_JointVenturesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfJointVenturesTable" xlink:to="ifrs-full_JointVenturesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForJointVenturesMember" xlink:label="ifrs-full_EntitysTotalForJointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_JointVenturesAxis" xlink:to="ifrs-full_EntitysTotalForJointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesMember" xlink:label="ifrs-full_JointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForJointVenturesMember" xlink:to="ifrs-full_JointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfJointVenturesTable" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_EntitysTotalForAssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssociatesMember" xlink:label="ifrs-full_AssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ifrs-full_AssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfJointVenturesLineItems" xlink:label="ifrs-full_DisclosureOfJointVenturesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DisclosureOfJointVenturesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:label="ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfInformationOfJointVenture" xlink:label="ach_DisclosureOfInformationOfJointVenture" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ach_DisclosureOfInformationOfJointVenture" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory" xlink:label="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfInformationOfAssociateTableTextBlock" xlink:label="ach_DisclosureOfInformationOfAssociateTableTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ach_DisclosureOfInformationOfAssociateTableTextBlock" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory" xlink:label="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsTables" xlink:type="extended" xlink:title="32103 - Disclosure - INTEREST -BEARING LOANS AND BORROWINGS (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:label="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBondsMember" xlink:label="ach_ShortTermBondsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBondsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:label="ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfGuaranteedBorrowingsTableTextBlock" xlink:label="ach_DisclosureOfGuaranteedBorrowingsTableTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_DisclosureOfGuaranteedBorrowingsTableTextBlock" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementTables" xlink:type="extended" xlink:title="33903 - Disclosure - FINANCIAL AND CAPITAL RISK MANAGEMENT (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="ifrs-full_TypesOfRisksAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_TypesOfRisksAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksMember" xlink:label="ifrs-full_TypesOfRisksMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfRisksAxis" xlink:to="ifrs-full_TypesOfRisksMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CommodityPriceRiskMember" xlink:label="ifrs-full_CommodityPriceRiskMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TypesOfRisksMember" xlink:to="ifrs-full_CommodityPriceRiskMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CreditRiskMember" xlink:label="ifrs-full_CreditRiskMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TypesOfRisksMember" xlink:to="ifrs-full_CreditRiskMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiquidityRiskMember" xlink:label="ifrs-full_LiquidityRiskMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_TypesOfRisksMember" xlink:to="ifrs-full_LiquidityRiskMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:label="ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SummaryQuantitativeDataAboutEntitysExposureToRisk" xlink:label="ifrs-full_SummaryQuantitativeDataAboutEntitysExposureToRisk" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_SummaryQuantitativeDataAboutEntitysExposureToRisk" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfMaturityAnalysisOfUndiscountedCashFlowsTableTextBlock" xlink:label="ach_DisclosureOfMaturityAnalysisOfUndiscountedCashFlowsTableTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_DisclosureOfMaturityAnalysisOfUndiscountedCashFlowsTableTextBlock" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfFinancialAssetsAndLiabilitiesTextBlock" xlink:label="ach_DisclosureOfFinancialAssetsAndLiabilitiesTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_DisclosureOfFinancialAssetsAndLiabilitiesTextBlock" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueOfFinancialAssetsAndFinancialLiabilitiesAndReclassificationExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialAssetsAndFinancialLiabilitiesAndReclassificationExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueOfFinancialAssetsAndFinancialLiabilitiesAndReclassificationExplanatory" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfEquityExplanatory" xlink:label="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfEquityExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfEquityExplanatory" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfDebtToAssetRatioTableTextBlock" xlink:label="ach_DisclosureOfDebtToAssetRatioTableTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_DisclosureOfDebtToAssetRatioTableTextBlock" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureNonControllingInterestsTables" xlink:type="extended" xlink:title="34003 - Disclosure - NON - CONTROLLING INTERESTS (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.LtdMember" xlink:label="ach_YunnanAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_YunnanAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" xlink:label="ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfSubsidiariesWithMaterialNonControllingInterestsTableTextBlock" xlink:label="ach_DisclosureOfSubsidiariesWithMaterialNonControllingInterestsTableTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_DisclosureOfSubsidiariesWithMaterialNonControllingInterestsTableTextBlock" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfFinancialInformationOfSubsidiariesTableTextBlock" xlink:label="ach_DisclosureOfFinancialInformationOfSubsidiariesTableTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_DisclosureOfFinancialInformationOfSubsidiariesTableTextBlock" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureBusinessCombinationUnderCommonControlTables" xlink:type="extended" xlink:title="34103 - Disclosure - BUSINESS COMBINATION UNDER COMMON CONTROL (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:label="ifrs-full_EntitysTotalForBusinessCombinationsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_EntitysTotalForBusinessCombinationsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.LtdMember" xlink:label="ach_YunnanAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_YunnanAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PingguoAluminumCompanyLimitedMember" xlink:label="ach_PingguoAluminumCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_PingguoAluminumCompanyLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GalliumBusinessOfChinaRareEarthMember" xlink:label="ach_GalliumBusinessOfChinaRareEarthMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_GalliumBusinessOfChinaRareEarthMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ScheduleOperatingResultsAndCashFlowsTableTextBlock" xlink:label="ach_ScheduleOperatingResultsAndCashFlowsTableTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ach_ScheduleOperatingResultsAndCashFlowsTableTextBlock" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ScheduleOfPurchaseConsiderationTransferredInBusinessCombinationTableTextBlock" xlink:label="ach_ScheduleOfPurchaseConsiderationTransferredInBusinessCombinationTableTextBlock" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ach_ScheduleOfPurchaseConsiderationTransferredInBusinessCombinationTableTextBlock" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureGeneralInformationDetails" xlink:type="extended" xlink:title="40101 - Disclosure - GENERAL INFORMATION (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShanxiHuaxingAluminumCompanyLimitedMember" xlink:label="ach_ShanxiHuaxingAluminumCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ShanxiHuaxingAluminumCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BaotouAluminumCompanyLimitedMember" xlink:label="ach_BaotouAluminumCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_BaotouAluminumCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumInternationalTradingCompanyLimitedMember" xlink:label="ach_ChinaAluminumInternationalTradingCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinaAluminumInternationalTradingCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoShanxiNewMaterialCompanyLimitedMember" xlink:label="ach_ChalcoShanxiNewMaterialCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChalcoShanxiNewMaterialCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumInternationalTradingGroupCo.Ltd.Member" xlink:label="ach_ChinaAluminumInternationalTradingGroupCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinaAluminumInternationalTradingGroupCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ZunyiAluminumCompanyLimitedMember" xlink:label="ach_ZunyiAluminumCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ZunyiAluminumCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoHongKongLimitedMember" xlink:label="ach_ChalcoHongKongLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChalcoHongKongLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoMiningCompanyLimitedMember" xlink:label="ach_ChalcoMiningCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChalcoMiningCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoEnergyCompanyLimitedMember" xlink:label="ach_ChalcoEnergyCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChalcoEnergyCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" xlink:label="ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuizhouHuajinAluminumCompanyLimitedMember" xlink:label="ach_GuizhouHuajinAluminumCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_GuizhouHuajinAluminumCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoZhengzhouResearchInstituteOfNonFerrousMetalCompanyLimitedMember" xlink:label="ach_ChalcoZhengzhouResearchInstituteOfNonFerrousMetalCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChalcoZhengzhouResearchInstituteOfNonFerrousMetalCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumLogisticsGroupCorporationCompanyLimitedMember" xlink:label="ach_ChinaAluminumLogisticsGroupCorporationCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinaAluminumLogisticsGroupCorporationCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinalcoShanxiJiaokouXinghuaTechnologyLimitedMember" xlink:label="ach_ChinalcoShanxiJiaokouXinghuaTechnologyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinalcoShanxiJiaokouXinghuaTechnologyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinalcoShanghaiCompanyLimitedMember" xlink:label="ach_ChinalcoShanghaiCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinalcoShanghaiCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShanxiChinalcoResourcesCo.Ltd.Member" xlink:label="ach_ShanxiChinalcoResourcesCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ShanxiChinalcoResourcesCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuizhouHuarenNewMaterialCompanyLimitedMember" xlink:label="ach_GuizhouHuarenNewMaterialCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_GuizhouHuarenNewMaterialCompanyLimitedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoMaterialsCo.Ltd.Member" xlink:label="ach_ChalcoMaterialsCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="18" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChalcoMaterialsCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinalcoNewMaterialsCo.LtdMember" xlink:label="ach_ChinalcoNewMaterialsCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="19" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinalcoNewMaterialsCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.LtdMember" xlink:label="ach_YunnanAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_YunnanAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoShanghaiCarbonCo.Ltd.Member" xlink:label="ach_ChalcoShanghaiCarbonCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="21" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChalcoShanghaiCarbonCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LanzhouAluminumCo.Ltd.Member" xlink:label="ach_LanzhouAluminumCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="22" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_LanzhouAluminumCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RegisteredCapital" xlink:label="ach_RegisteredCapital" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_RegisteredCapital" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProportionOfIndirectOwnershipInterestInSubsidiary" xlink:label="ach_ProportionOfIndirectOwnershipInterestInSubsidiary" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_ProportionOfIndirectOwnershipInterestInSubsidiary" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSignificantChangesInCurrentReportingPeriodDetails" xlink:type="extended" xlink:title="40201 - Disclosure - SIGNIFICANT CHANGES IN THE CURRENT REPORTING PERIOD (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_EntitysTotalForAssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.LtdMember" xlink:label="ach_YunnanAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_YunnanAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails" xlink:type="extended" xlink:title="40301 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipmentMember" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_PropertyPlantAndEquipmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BuildingsAndInfrastructureMember" xlink:label="ach_BuildingsAndInfrastructureMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ach_BuildingsAndInfrastructureMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BuildingsMember" xlink:label="ifrs-full_BuildingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_BuildingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MachineryMember" xlink:label="ifrs-full_MachineryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_MachineryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransportationFacilitiesMember" xlink:label="ach_TransportationFacilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ach_TransportationFacilitiesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OfficeEquipmentMember" xlink:label="ifrs-full_OfficeEquipmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_OfficeEquipmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_RangeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangesMember" xlink:label="ifrs-full_RangesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_BottomOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_TopOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MiningRightsMember" xlink:label="ifrs-full_MiningRightsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="ifrs-full_MiningRightsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComputerSoftwareMember" xlink:label="ifrs-full_ComputerSoftwareMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="ifrs-full_ComputerSoftwareMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfInvestmentPropertyAxis" xlink:label="ifrs-full_TypesOfInvestmentPropertyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_TypesOfInvestmentPropertyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentPropertyMember" xlink:label="ifrs-full_InvestmentPropertyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfInvestmentPropertyAxis" xlink:to="ifrs-full_InvestmentPropertyMember" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_InvestmentPropertyMember" xlink:to="ifrs-full_BuildingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LandUseRightsMember" xlink:label="ach_LandUseRightsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_InvestmentPropertyMember" xlink:to="ach_LandUseRightsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_UsefulLifeMeasuredAsPeriodOfTimeLeases" xlink:label="ach_UsefulLifeMeasuredAsPeriodOfTimeLeases" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_UsefulLifeMeasuredAsPeriodOfTimeLeases" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLoss" xlink:label="ifrs-full_ImpairmentLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_ImpairmentLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LeaseThresholdConsideredToBeOfLowValue" xlink:label="ach_LeaseThresholdConsideredToBeOfLowValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_LeaseThresholdConsideredToBeOfLowValue" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSummaryOfSignificantAccountingPoliciesBasisOfPreparationDetails" xlink:type="extended" xlink:title="40302 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Basis of preparation (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:label="ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable" xlink:to="ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RestatedMember" xlink:label="ifrs-full_RestatedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:to="ifrs-full_RestatedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PreviouslyStatedMember" xlink:label="ifrs-full_PreviouslyStatedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RestatedMember" xlink:to="ifrs-full_PreviouslyStatedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChangesInAccountingPolicyMember" xlink:label="ach_ChangesInAccountingPolicyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_RestatedMember" xlink:to="ach_ChangesInAccountingPolicyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:label="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssetsLiabilities" xlink:label="ifrs-full_CurrentAssetsLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_CurrentAssetsLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UndrawnBorrowingFacilities" xlink:label="ifrs-full_UndrawnBorrowingFacilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_UndrawnBorrowingFacilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_UndrawnBorrowingFacilitiesSubjectToRenewal" xlink:label="ach_UndrawnBorrowingFacilitiesSubjectToRenewal" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ach_UndrawnBorrowingFacilitiesSubjectToRenewal" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_UndrawnBorrowingFacilitiesRenewalTerm" xlink:label="ach_UndrawnBorrowingFacilitiesRenewalTerm" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ach_UndrawnBorrowingFacilitiesRenewalTerm" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CostOfSales" xlink:label="ifrs-full_CostOfSales" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_CostOfSales" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_PropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RetainedEarnings" xlink:label="ifrs-full_RetainedEarnings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_RetainedEarnings" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems" xlink:to="ifrs-full_Revenue" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSignificantAccountingJudgementsAndEstimatesDetails" xlink:type="extended" xlink:title="40401 - Disclosure - SIGNIFICANT ACCOUNTING JUDGEMENTS AND ESTIMATES (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_EntitysTotalForAssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaCopperMineralResourcesCo.Ltd.Member" xlink:label="ach_ChinaCopperMineralResourcesCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_ChinaCopperMineralResourcesCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoMineralResourcesCo.LtdMember" xlink:label="ach_ChalcoMineralResourcesCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_ChalcoMineralResourcesCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinalcoCapitalHoldingsCo.LtdMember" xlink:label="ach_ChinalcoCapitalHoldingsCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_ChinalcoCapitalHoldingsCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BaiseNewAluminumPowerCo.LtdMember" xlink:label="ach_BaiseNewAluminumPowerCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_BaiseNewAluminumPowerCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChalcoInnovationDevelopmentInvestmentCoMember" xlink:label="ach_ChalcoInnovationDevelopmentInvestmentCoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_ChalcoInnovationDevelopmentInvestmentCoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InnerMongoliaGeliugouCo.LtdMember" xlink:label="ach_InnerMongoliaGeliugouCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_InnerMongoliaGeliugouCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="dei_LegalEntityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanMetallurgicalGroupCo.Ltd.Member" xlink:label="ach_YunnanMetallurgicalGroupCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="dei_EntityDomain" xlink:to="ach_YunnanMetallurgicalGroupCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.Ltd.Member" xlink:label="ach_YunnanAluminumCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="dei_EntityDomain" xlink:to="ach_YunnanAluminumCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YinxingEnergyMember" xlink:label="ach_YinxingEnergyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_YinxingEnergyMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuizhouHuarenNewMaterialCompanyLimitedMember" xlink:label="ach_GuizhouHuarenNewMaterialCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_GuizhouHuarenNewMaterialCompanyLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShanxiChinaAluminumChinaResourcesCo.Ltd.Member" xlink:label="ach_ShanxiChinaAluminumChinaResourcesCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ShanxiChinaAluminumChinaResourcesCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_ProportionOfOwnershipInterestInAssociate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfVotingPowerHeldInAssociate" xlink:label="ifrs-full_ProportionOfVotingPowerHeldInAssociate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_ProportionOfVotingPowerHeldInAssociate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NumberOfDirectorsCanBeAppointed" xlink:label="ach_NumberOfDirectorsCanBeAppointed" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ach_NumberOfDirectorsCanBeAppointed" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NumberOfDirectorsOfBoard" xlink:label="ach_NumberOfDirectorsOfBoard" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ach_NumberOfDirectorsOfBoard" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:label="ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_PropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Goodwill" xlink:label="ifrs-full_Goodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_Goodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSignificantAccountingJudgementsAndEstimatesKeyMacroeconomicParametersDetails" xlink:type="extended" xlink:title="40402 - Disclosure - SIGNIFICANT ACCOUNTING JUDGEMENTS AND ESTIMATES - Key macroeconomic parameters (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:label="ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearMember" xlink:label="ifrs-full_LaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementScenarioAxis" xlink:label="srt_StatementScenarioAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" xlink:to="srt_StatementScenarioAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="srt_ScenarioUnspecifiedDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_ScenarioUnspecifiedDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ScenarioBasicMember" xlink:label="ach_ScenarioBasicMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="ach_ScenarioBasicMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ScenarioNegativeMember" xlink:label="ach_ScenarioNegativeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="ach_ScenarioNegativeMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ScenarioPositiveMember" xlink:label="ach_ScenarioPositiveMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="ach_ScenarioPositiveMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:label="ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:to="ifrs-full_DisclosureOfChangesInAccountingEstimatesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_KeyMacroeconomicParametersAbstract" xlink:label="ach_KeyMacroeconomicParametersAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfChangesInAccountingEstimatesLineItems" xlink:to="ach_KeyMacroeconomicParametersAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GrowthRateGrossDomesticProduct" xlink:label="ach_GrowthRateGrossDomesticProduct" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_KeyMacroeconomicParametersAbstract" xlink:to="ach_GrowthRateGrossDomesticProduct" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GrowthRateConsumerPriceIndex" xlink:label="ach_GrowthRateConsumerPriceIndex" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_KeyMacroeconomicParametersAbstract" xlink:to="ach_GrowthRateConsumerPriceIndex" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureRevenueAndSegmentInformationDisaggregatedRevenueDetails" xlink:type="extended" xlink:title="40502 - Disclosure - REVENUE AND SEGMENT INFORMATION - Disaggregated revenue (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsMember" xlink:label="ifrs-full_SegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AluminaSegmentMember" xlink:label="ach_AluminaSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_AluminaSegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PrimaryAluminumSegmentMember" xlink:label="ach_PrimaryAluminumSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_PrimaryAluminumSegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EnergySegmentMember" xlink:label="ach_EnergySegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_EnergySegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradingSegmentMember" xlink:label="ach_TradingSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_TradingSegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CorporateAndOtherOperatingSegmentsMember" xlink:label="ach_CorporateAndOtherOperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_CorporateAndOtherOperatingSegmentsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="ifrs-full_SegmentConsolidationItemsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentConsolidationItemsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:label="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsAxis" xlink:to="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="ifrs-full_OperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="ifrs-full_OperatingSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:label="ifrs-full_EliminationOfIntersegmentAmountsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="ifrs-full_EliminationOfIntersegmentAmountsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_GeographicalAreasAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasMember" xlink:label="ifrs-full_GeographicalAreasMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CountryOfDomicileMember" xlink:label="ifrs-full_CountryOfDomicileMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="ifrs-full_CountryOfDomicileMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ForeignCountriesMember" xlink:label="ifrs-full_ForeignCountriesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="ifrs-full_ForeignCountriesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:label="ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:label="ifrs-full_TimingOfTransferOfGoodsOrServicesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:to="ifrs-full_TimingOfTransferOfGoodsOrServicesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:label="ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:to="ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:label="ifrs-full_GoodsOrServicesTransferredOverTimeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:to="ifrs-full_GoodsOrServicesTransferredOverTimeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="5" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearMember" xlink:label="ifrs-full_LaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueFromSaleOfGoods" xlink:label="ifrs-full_RevenueFromSaleOfGoods" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_RevenueFromSaleOfGoods" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueFromRenderingOfTransportServices" xlink:label="ifrs-full_RevenueFromRenderingOfTransportServices" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_RevenueFromRenderingOfTransportServices" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterSegmentRevenue" xlink:label="ach_InterSegmentRevenue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ach_InterSegmentRevenue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="ifrs-full_RevenueFromContractsWithCustomers" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_RevenueFromContractsWithCustomers" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RevenueRecognizedFromSaleOfGoodsIncludedInContractLiabilities" xlink:label="ach_RevenueRecognizedFromSaleOfGoodsIncludedInContractLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ach_RevenueRecognizedFromSaleOfGoodsIncludedInContractLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherRevenueRecognizedIncludedInContractLiabilities" xlink:label="ach_OtherRevenueRecognizedIncludedInContractLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ach_OtherRevenueRecognizedIncludedInContractLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContractLiabilities" xlink:label="ifrs-full_ContractLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_ContractLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xlink:label="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureRevenueAndSegmentInformationInformationAboutOperatingSegmentsResultsDetails" xlink:type="extended" xlink:title="40503 - Disclosure - REVENUE AND SEGMENT INFORMATION - Information about operating segments results (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsMember" xlink:label="ifrs-full_SegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AluminaSegmentMember" xlink:label="ach_AluminaSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_AluminaSegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PrimaryAluminumSegmentMember" xlink:label="ach_PrimaryAluminumSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_PrimaryAluminumSegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EnergySegmentMember" xlink:label="ach_EnergySegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_EnergySegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradingSegmentMember" xlink:label="ach_TradingSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_TradingSegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CorporateAndOtherOperatingSegmentsMember" xlink:label="ach_CorporateAndOtherOperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_CorporateAndOtherOperatingSegmentsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="ifrs-full_SegmentConsolidationItemsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentConsolidationItemsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:label="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsAxis" xlink:to="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="ifrs-full_OperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="ifrs-full_OperatingSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:label="ifrs-full_EliminationOfIntersegmentAmountsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="ifrs-full_EliminationOfIntersegmentAmountsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersAxis" xlink:label="ifrs-full_MajorCustomersAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_MajorCustomersAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersMember" xlink:label="ifrs-full_MajorCustomersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MajorCustomersAxis" xlink:to="ifrs-full_MajorCustomersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RevenueFromExternalCustomerMember" xlink:label="ach_RevenueFromExternalCustomerMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MajorCustomersMember" xlink:to="ach_RevenueFromExternalCustomerMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SegmentInformationAbstract" xlink:label="ach_SegmentInformationAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ach_SegmentInformationAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsNumberOfReportableSegments" xlink:label="ach_IfrsNumberOfReportableSegments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_IfrsNumberOfReportableSegments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_Revenue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterSegmentRevenue" xlink:label="ach_InterSegmentRevenue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_InterSegmentRevenue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GainOnDisposalOfBusiness" xlink:label="ach_GainOnDisposalOfBusiness" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_GainOnDisposalOfBusiness" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SalesOfSelfProducedProducts" xlink:label="ach_SalesOfSelfProducedProducts" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_SalesOfSelfProducedProducts" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SalesOfProductsSourcedFromExternalSuppliers" xlink:label="ach_SalesOfProductsSourcedFromExternalSuppliers" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_SalesOfProductsSourcedFromExternalSuppliers" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="ifrs-full_RevenueFromContractsWithCustomers" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_RevenueFromContractsWithCustomers" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_ProfitLossBeforeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_ProfitLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncome" xlink:label="ifrs-full_FinanceIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_FinanceIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceCosts" xlink:label="ifrs-full_FinanceCosts" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_FinanceCosts" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationRightofuseAssets" xlink:label="ifrs-full_DepreciationRightofuseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_DepreciationRightofuseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DepreciationAndAmortizationExcludingAmortizationOfLandUseRights" xlink:label="ach_DepreciationAndAmortizationExcludingAmortizationOfLandUseRights" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_DepreciationAndAmortizationExcludingAmortizationOfLandUseRights" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AdjustmentsForLossesGainsOnDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssets" xlink:label="ach_AdjustmentsForLossesGainsOnDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_AdjustmentsForLossesGainsOnDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RealisedGainLossOnFuturesForwardAndOptionContractsNet" xlink:label="ach_RealisedGainLossOnFuturesForwardAndOptionContractsNet" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="18" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_RealisedGainLossOnFuturesForwardAndOptionContractsNet" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherIncome" xlink:label="ifrs-full_OtherIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="19" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_OtherIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_UnrealizedGainsLossOnFuturesForwardAndOptionContractsNet" xlink:label="ach_UnrealizedGainsLossOnFuturesForwardAndOptionContractsNet" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="21" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_UnrealizedGainsLossOnFuturesForwardAndOptionContractsNet" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" xlink:label="ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="22" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WritedownsReversalsOfInventories" xlink:label="ifrs-full_WritedownsReversalsOfInventories" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="23" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_WritedownsReversalsOfInventories" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeReceivables" xlink:label="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="24" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" xlink:label="ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="25" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="26" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="27" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="28" xlink:from="ach_SegmentInformationAbstract" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GainOnDisposalAndDividendsFromEquityInvestments" xlink:label="ach_GainOnDisposalAndDividendsFromEquityInvestments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="29" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_GainOnDisposalAndDividendsFromEquityInvestments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DividendIncomeFromOtherFinancialAssetsAtFairValue" xlink:label="ach_DividendIncomeFromOtherFinancialAssetsAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="30" xlink:from="ach_SegmentInformationAbstract" xlink:to="ach_DividendIncomeFromOtherFinancialAssetsAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CapitalExpenditureAbstract" xlink:label="ach_CapitalExpenditureAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ach_CapitalExpenditureAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_CapitalExpenditureAbstract" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsToRightofuseAssets" xlink:label="ifrs-full_AdditionsToRightofuseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_CapitalExpenditureAbstract" xlink:to="ifrs-full_AdditionsToRightofuseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AdditionsOtherThanThroughBusinessCombinationsAndSaleLeasebackContractsPropertyPlantAndEquipment" xlink:label="ach_AdditionsOtherThanThroughBusinessCombinationsAndSaleLeasebackContractsPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_CapitalExpenditureAbstract" xlink:to="ach_AdditionsOtherThanThroughBusinessCombinationsAndSaleLeasebackContractsPropertyPlantAndEquipment" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureRevenueAndSegmentInformationInformationAboutOperatingSegmentsAssetsAndLiabilitiesDetails" xlink:type="extended" xlink:title="40504 - Disclosure - REVENUE AND SEGMENT INFORMATION - Information about operating segments assets and liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsMember" xlink:label="ifrs-full_SegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AluminaSegmentMember" xlink:label="ach_AluminaSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_AluminaSegmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PrimaryAluminumSegmentMember" xlink:label="ach_PrimaryAluminumSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_PrimaryAluminumSegmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EnergySegmentMember" xlink:label="ach_EnergySegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_EnergySegmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradingSegmentMember" xlink:label="ach_TradingSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_TradingSegmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CorporateAndOtherOperatingSegmentsMember" xlink:label="ach_CorporateAndOtherOperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_CorporateAndOtherOperatingSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherEliminationMember" xlink:label="ach_OtherEliminationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_OtherEliminationMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="ifrs-full_SegmentConsolidationItemsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentConsolidationItemsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:label="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsAxis" xlink:to="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="ifrs-full_OperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="ifrs-full_OperatingSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:label="ifrs-full_EliminationOfIntersegmentAmountsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="ifrs-full_EliminationOfIntersegmentAmountsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UnallocatedAmountsMember" xlink:label="ifrs-full_UnallocatedAmountsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="ifrs-full_UnallocatedAmountsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssetsAbstract" xlink:label="ifrs-full_AssetsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_AssetsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ifrs-full_Assets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeReceivables" xlink:label="ifrs-full_TradeReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ifrs-full_TradeReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ifrs-full_DeferredTaxAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PrepaidIncomeTax" xlink:label="ach_PrepaidIncomeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ach_PrepaidIncomeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiabilitiesAbstract" xlink:label="ifrs-full_LiabilitiesAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_LiabilitiesAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="ifrs-full_Liabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:label="ifrs-full_TradeAndOtherPayablesToTradeSuppliers" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="ifrs-full_TradeAndOtherPayablesToTradeSuppliers" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="ifrs-full_DeferredTaxLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="ifrs-full_DeferredTaxLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:label="ifrs-full_CurrentTaxLiabilitiesCurrent" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="ifrs-full_CurrentTaxLiabilitiesCurrent" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureRevenueAndSegmentInformationGeographicalInformationOfOperatingSegmentsDetails" xlink:type="extended" xlink:title="40505 - Disclosure - REVENUE AND SEGMENT INFORMATION - Geographical information of the operating segments (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfGeographicalAreasTable" xlink:label="ifrs-full_DisclosureOfGeographicalAreasTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfGeographicalAreasTable" xlink:to="ifrs-full_GeographicalAreasAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasMember" xlink:label="ifrs-full_GeographicalAreasMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CountryOfDomicileMember" xlink:label="ifrs-full_CountryOfDomicileMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="ifrs-full_CountryOfDomicileMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ForeignCountriesMember" xlink:label="ifrs-full_ForeignCountriesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="ifrs-full_ForeignCountriesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersAxis" xlink:label="ifrs-full_MajorCustomersAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfGeographicalAreasTable" xlink:to="ifrs-full_MajorCustomersAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersMember" xlink:label="ifrs-full_MajorCustomersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MajorCustomersAxis" xlink:to="ifrs-full_MajorCustomersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GovernmentMember" xlink:label="ifrs-full_GovernmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MajorCustomersMember" xlink:to="ifrs-full_GovernmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:label="ifrs-full_DisclosureOfGeographicalAreasLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_DisclosureOfGeographicalAreasTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NonCurrentAssetsExcludingFinancialAssetsAndDeferredTaxAssets" xlink:label="ach_NonCurrentAssetsExcludingFinancialAssetsAndDeferredTaxAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ach_NonCurrentAssetsExcludingFinancialAssetsAndDeferredTaxAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_Revenue" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureIntangibleAssetsDetails" xlink:type="extended" xlink:title="40601 - Disclosure - INTANGIBLE ASSETS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:to="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:label="ifrs-full_IntangibleAssetsAndGoodwillMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="ifrs-full_IntangibleAssetsAndGoodwillMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GoodwillMember" xlink:label="ifrs-full_GoodwillMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:to="ifrs-full_GoodwillMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MiningRightsMember" xlink:label="ifrs-full_MiningRightsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:to="ifrs-full_MiningRightsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MineralExplorationRightsMember" xlink:label="ach_MineralExplorationRightsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:to="ach_MineralExplorationRightsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ComputerSoftwareProductionQuotaAndOthersMember" xlink:label="ach_ComputerSoftwareProductionQuotaAndOthersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:to="ach_ComputerSoftwareProductionQuotaAndOthersMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:to="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="ifrs-full_IntangibleAssetsAndGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ifrs-full_IntangibleAssetsAndGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisposalsIntangibleAssetsAndGoodwill" xlink:label="ifrs-full_DisposalsIntangibleAssetsAndGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ifrs-full_DisposalsIntangibleAssetsAndGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryIntangibleAssetsAndGoodwill" xlink:label="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryIntangibleAssetsAndGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryIntangibleAssetsAndGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseThroughTransferFromPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" xlink:label="ach_IncreaseThroughTransferFromPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ach_IncreaseThroughTransferFromPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureIntangibleAssetsAmortizationExpensesOfIntangibleAssetsDetails" xlink:type="extended" xlink:title="40602 - Disclosure - INTANGIBLE ASSETS - Amortization expenses of intangible assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:to="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:label="ifrs-full_IntangibleAssetsAndGoodwillMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="ifrs-full_IntangibleAssetsAndGoodwillMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MiningRightsMember" xlink:label="ifrs-full_MiningRightsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:to="ifrs-full_MiningRightsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LineItemsByFunctionMember" xlink:label="ifrs-full_LineItemsByFunctionMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="ifrs-full_LineItemsByFunctionMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CostOfSalesMember" xlink:label="ifrs-full_CostOfSalesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LineItemsByFunctionMember" xlink:to="ifrs-full_CostOfSalesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsGeneralAndAdministrativeExpenseMember" xlink:label="ach_IfrsGeneralAndAdministrativeExpenseMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_LineItemsByFunctionMember" xlink:to="ach_IfrsGeneralAndAdministrativeExpenseMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:to="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureIntangibleAssetsImpairmentTestingOfGoodwillDetails" xlink:type="extended" xlink:title="40603 - Disclosure - INTANGIBLE ASSETS - Impairment testing of goodwill (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:label="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:to="ifrs-full_SegmentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsMember" xlink:label="ifrs-full_SegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AluminaSegmentMember" xlink:label="ach_AluminaSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_AluminaSegmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PrimaryAluminumSegmentMember" xlink:label="ach_PrimaryAluminumSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_PrimaryAluminumSegmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" xlink:to="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:label="ifrs-full_EntitysTotalForCashgeneratingUnitsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:to="ifrs-full_EntitysTotalForCashgeneratingUnitsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:to="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_QinghaiBranchMember" xlink:label="ach_QinghaiBranchMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember" xlink:to="ach_QinghaiBranchMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuangxiBranchMember" xlink:label="ach_GuangxiBranchMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember" xlink:to="ach_GuangxiBranchMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LanzhouBranchMember" xlink:label="ach_LanzhouBranchMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember" xlink:to="ach_LanzhouBranchMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_Pt.NusapatiPrimaMember" xlink:label="ach_Pt.NusapatiPrimaMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember" xlink:to="ach_Pt.NusapatiPrimaMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShanxiHuaxingDisposalGroupHeldForSaleMember" xlink:label="ach_ShanxiHuaxingDisposalGroupHeldForSaleMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember" xlink:to="ach_ShanxiHuaxingDisposalGroupHeldForSaleMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:label="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:to="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Goodwill" xlink:label="ifrs-full_Goodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:to="ifrs-full_Goodwill" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PeriodOverWhichManagementHasProjectedCashFlows" xlink:label="ach_PeriodOverWhichManagementHasProjectedCashFlows" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:to="ach_PeriodOverWhichManagementHasProjectedCashFlows" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" xlink:label="ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:to="ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:label="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:to="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosurePropertyPlantAndEquipmentDetails" xlink:type="extended" xlink:title="40701 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipmentMember" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_PropertyPlantAndEquipmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BuildingsAndInfrastructureMember" xlink:label="ach_BuildingsAndInfrastructureMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ach_BuildingsAndInfrastructureMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MachineryMember" xlink:label="ifrs-full_MachineryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_MachineryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransportationFacilitiesMember" xlink:label="ach_TransportationFacilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ach_TransportationFacilitiesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OfficeEquipmentMember" xlink:label="ifrs-full_OfficeEquipmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_OfficeEquipmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ConstructionInProgressMember" xlink:label="ifrs-full_ConstructionInProgressMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_ConstructionInProgressMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AluminaProductionLineAndRelatedFacilitiesMember" xlink:label="ach_AluminaProductionLineAndRelatedFacilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ach_AluminaProductionLineAndRelatedFacilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InProcessApplicationsOwnershipCertificatesOfBuildingsMember" xlink:label="ach_InProcessApplicationsOwnershipCertificatesOfBuildingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ach_InProcessApplicationsOwnershipCertificatesOfBuildingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_PropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DecreaseThroughTransferToIntangibleAssets" xlink:label="ach_DecreaseThroughTransferToIntangibleAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_DecreaseThroughTransferToIntangibleAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransferFromRightOfUseAssetsAndNonCurrentAssets" xlink:label="ach_TransferFromRightOfUseAssetsAndNonCurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_TransferFromRightOfUseAssetsAndNonCurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransferToInvestmentProperties" xlink:label="ach_TransferToInvestmentProperties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_TransferToInvestmentProperties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransferFromPropertyPlantAndEquipmentRightToUseAssets" xlink:label="ach_TransferFromPropertyPlantAndEquipmentRightToUseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_TransferFromPropertyPlantAndEquipmentRightToUseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryPropertyPlantAndEquipment" xlink:label="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DecreaseThroughTransferToGovernmentGrants" xlink:label="ach_DecreaseThroughTransferToGovernmentGrants" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_DecreaseThroughTransferToGovernmentGrants" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DisposalsPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DepreciationPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisposalOfPropertyPlantAndEquipmentForCapitalInvestment" xlink:label="ach_DisposalOfPropertyPlantAndEquipmentForCapitalInvestment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_DisposalOfPropertyPlantAndEquipmentForCapitalInvestment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LandUseRightAssetsWrittenOff" xlink:label="ach_LandUseRightAssetsWrittenOff" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_LandUseRightAssetsWrittenOff" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LeaseLiabilitiesWrittenOff" xlink:label="ach_LeaseLiabilitiesWrittenOff" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_LeaseLiabilitiesWrittenOff" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:label="ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="18" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ImpairmentProvisionOnPropertyPlantAndEquipment" xlink:label="ach_ImpairmentProvisionOnPropertyPlantAndEquipment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="19" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ach_ImpairmentProvisionOnPropertyPlantAndEquipment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" xlink:label="ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosurePropertyPlantAndEquipmentDepreciationExpensesDetails" xlink:type="extended" xlink:title="40702 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Depreciation expenses (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LineItemsByFunctionMember" xlink:label="ifrs-full_LineItemsByFunctionMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="ifrs-full_LineItemsByFunctionMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CostOfSalesMember" xlink:label="ifrs-full_CostOfSalesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LineItemsByFunctionMember" xlink:to="ifrs-full_CostOfSalesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsGeneralAndAdministrativeExpenseMember" xlink:label="ach_IfrsGeneralAndAdministrativeExpenseMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_LineItemsByFunctionMember" xlink:to="ach_IfrsGeneralAndAdministrativeExpenseMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsResearchAndDevelopmentExpensesMember" xlink:label="ach_IfrsResearchAndDevelopmentExpensesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_LineItemsByFunctionMember" xlink:to="ach_IfrsResearchAndDevelopmentExpensesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SellingAndDistributionExpensesMember" xlink:label="ach_SellingAndDistributionExpensesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_LineItemsByFunctionMember" xlink:to="ach_SellingAndDistributionExpensesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationAndAmortisationExpenseAbstract" xlink:label="ifrs-full_DepreciationAndAmortisationExpenseAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DepreciationAndAmortisationExpenseAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDepreciationExpense" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_DepreciationAndAmortisationExpenseAbstract" xlink:to="ifrs-full_AdjustmentsForDepreciationExpense" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInvestmentPropertiesDetails" xlink:type="extended" xlink:title="40801 - Disclosure - INVESTMENT PROPERTIES (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInvestmentPropertyTable" xlink:label="ifrs-full_DisclosureOfInvestmentPropertyTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfInvestmentPropertyAxis" xlink:label="ifrs-full_TypesOfInvestmentPropertyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfInvestmentPropertyTable" xlink:to="ifrs-full_TypesOfInvestmentPropertyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentPropertyMember" xlink:label="ifrs-full_InvestmentPropertyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfInvestmentPropertyAxis" xlink:to="ifrs-full_InvestmentPropertyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BuildingsMember" xlink:label="ifrs-full_BuildingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_InvestmentPropertyMember" xlink:to="ifrs-full_BuildingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LandUseRightsMember" xlink:label="ach_LandUseRightsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_InvestmentPropertyMember" xlink:to="ach_LandUseRightsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfInvestmentPropertyTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:label="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfInvestmentPropertyLineItems" xlink:label="ifrs-full_DisclosureOfInvestmentPropertyLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfInvestmentPropertyLineItems" xlink:to="ifrs-full_DisclosureOfInvestmentPropertyTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfInvestmentPropertyLineItems" xlink:to="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentProperty" xlink:label="ifrs-full_InvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:to="ifrs-full_InvestmentProperty" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransferToInvestmentProperties" xlink:label="ach_TransferToInvestmentProperties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:to="ach_TransferToInvestmentProperties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransferFromOwnerOccupiedPropertyInvestmentProperty" xlink:label="ach_TransferFromOwnerOccupiedPropertyInvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:to="ach_TransferFromOwnerOccupiedPropertyInvestmentProperty" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" xlink:label="ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:to="ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisposalsInvestmentProperty" xlink:label="ifrs-full_DisposalsInvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:to="ifrs-full_DisposalsInvestmentProperty" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsInvestmentProperty" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsInvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsInvestmentProperty" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesInvestmentProperty" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesInvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughOtherChangesInvestmentProperty" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationInvestmentProperty" xlink:label="ifrs-full_DepreciationInvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_ReconciliationOfChangesInInvestmentPropertyAbstract" xlink:to="ifrs-full_DepreciationInvestmentProperty" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesJointVenturesDetails" xlink:type="extended" xlink:title="40901 - Disclosure - INVESTMENTS IN JOINT VENTURES AND ASSOCIATES - Joint ventures (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfJointVenturesTable" xlink:label="ifrs-full_DisclosureOfJointVenturesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesAxis" xlink:label="ifrs-full_JointVenturesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfJointVenturesTable" xlink:to="ifrs-full_JointVenturesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForJointVenturesMember" xlink:label="ifrs-full_EntitysTotalForJointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_JointVenturesAxis" xlink:to="ifrs-full_EntitysTotalForJointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesMember" xlink:label="ifrs-full_JointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForJointVenturesMember" xlink:to="ifrs-full_JointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuangxiHuayinAluminumCo.LtdMember" xlink:label="ach_GuangxiHuayinAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_JointVenturesMember" xlink:to="ach_GuangxiHuayinAluminumCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfJointVenturesTable" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_EntitysTotalForAssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumInvestmentDevelopmentCoMember" xlink:label="ach_ChinaAluminumInvestmentDevelopmentCoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_ChinaAluminumInvestmentDevelopmentCoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfJointVenturesLineItems" xlink:label="ifrs-full_DisclosureOfJointVenturesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DisclosureOfJointVenturesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CapitalInjectionsInAssociatesAndJointVentures" xlink:label="ach_CapitalInjectionsInAssociatesAndJointVentures" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ach_CapitalInjectionsInAssociatesAndJointVentures" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseThroughOtherChangesAssociatesAndJointVentures" xlink:label="ach_IncreaseDecreaseThroughOtherChangesAssociatesAndJointVentures" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ach_IncreaseDecreaseThroughOtherChangesAssociatesAndJointVentures" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendPayables" xlink:label="ifrs-full_DividendPayables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DividendPayables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLoss" xlink:label="ifrs-full_ImpairmentLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_ImpairmentLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InvestmentsInJointVenturesAccountedForUsingEquityMethodRegisteredAndPaidInCapital" xlink:label="ach_InvestmentsInJointVenturesAccountedForUsingEquityMethodRegisteredAndPaidInCapital" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ach_InvestmentsInJointVenturesAccountedForUsingEquityMethodRegisteredAndPaidInCapital" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:label="ifrs-full_ProportionOfOwnershipInterestInJointVenture" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_ProportionOfOwnershipInterestInJointVenture" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfVotingRightsHeldInJointVenture" xlink:label="ifrs-full_ProportionOfVotingRightsHeldInJointVenture" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_ProportionOfVotingRightsHeldInJointVenture" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProportionOfProfitSharingPercentageInJointVenture" xlink:label="ach_ProportionOfProfitSharingPercentageInJointVenture" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ach_ProportionOfProfitSharingPercentageInJointVenture" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesFinancialInformationDetails" xlink:type="extended" xlink:title="40902 - Disclosure - INVESTMENTS IN JOINT VENTURES AND ASSOCIATES - Financial information (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfJointVenturesTable" xlink:label="ifrs-full_DisclosureOfJointVenturesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesAxis" xlink:label="ifrs-full_JointVenturesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfJointVenturesTable" xlink:to="ifrs-full_JointVenturesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForJointVenturesMember" xlink:label="ifrs-full_EntitysTotalForJointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_JointVenturesAxis" xlink:to="ifrs-full_EntitysTotalForJointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuangxiHuayinAluminumCo.LtdMember" xlink:label="ach_GuangxiHuayinAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForJointVenturesMember" xlink:to="ach_GuangxiHuayinAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfJointVenturesTable" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_EntitysTotalForAssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssociatesMember" xlink:label="ifrs-full_AssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ifrs-full_AssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumInvestmentDevelopmentCoMember" xlink:label="ach_ChinaAluminumInvestmentDevelopmentCoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ach_ChinaAluminumInvestmentDevelopmentCoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfJointVenturesLineItems" xlink:label="ifrs-full_DisclosureOfJointVenturesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DisclosureOfJointVenturesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_CashAndCashEquivalents" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherCurrentAssets" xlink:label="ifrs-full_OtherCurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_OtherCurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_CurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_NoncurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_CurrentLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_NoncurrentLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NetAssetsLiabilities" xlink:label="ifrs-full_NetAssetsLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_NetAssetsLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_NoncontrollingInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:label="ach_ReconciliationToGroupsInterestInJointVentureAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ach_ReconciliationToGroupsInterestInJointVentureAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:label="ifrs-full_ProportionOfOwnershipInterestInJointVenture" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_ProportionOfOwnershipInterestInJointVenture" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShareOfNetAssetsOfIointVenturesAccountedForUsingEquityMethod" xlink:label="ach_ShareOfNetAssetsOfIointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ach_ShareOfNetAssetsOfIointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_Revenue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossProfit" xlink:label="ifrs-full_GrossProfit" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_GrossProfit" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestRevenueExpense" xlink:label="ifrs-full_InterestRevenueExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_InterestRevenueExpense" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationAndAmortisationExpense" xlink:label="ifrs-full_DepreciationAndAmortisationExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_DepreciationAndAmortisationExpense" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestExpenseOnBorrowings" xlink:label="ifrs-full_InterestExpenseOnBorrowings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_InterestExpenseOnBorrowings" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_ProfitLossBeforeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_OtherComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_ComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" xlink:label="ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ach_ReconciliationToGroupsInterestInJointVentureAbstract" xlink:to="ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ReconciliationToGroupsInterestInAssociateAbstract" xlink:label="ach_ReconciliationToGroupsInterestInAssociateAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ach_ReconciliationToGroupsInterestInAssociateAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ReconciliationToGroupsInterestInAssociateAbstract" xlink:to="ifrs-full_ProportionOfOwnershipInterestInAssociate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShareOfNetAssetsOfAssociateAccountedForUsingEquityMethod" xlink:label="ach_ShareOfNetAssetsOfAssociateAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ReconciliationToGroupsInterestInAssociateAbstract" xlink:to="ach_ShareOfNetAssetsOfAssociateAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ReconciliationToGroupsInterestInAssociateAbstract" xlink:to="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesJointVenturesNotIndividuallyMaterialDetails" xlink:type="extended" xlink:title="40903 - Disclosure - INVESTMENTS IN JOINT VENTURES AND ASSOCIATES - Joint ventures not individually material (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfJointVenturesTable" xlink:label="ifrs-full_DisclosureOfJointVenturesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesAxis" xlink:label="ifrs-full_JointVenturesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfJointVenturesTable" xlink:to="ifrs-full_JointVenturesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForJointVenturesMember" xlink:label="ifrs-full_EntitysTotalForJointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_JointVenturesAxis" xlink:to="ifrs-full_EntitysTotalForJointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesMember" xlink:label="ifrs-full_JointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForJointVenturesMember" xlink:to="ifrs-full_JointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedIndividuallyImmaterialJointVenturesMember" xlink:label="ifrs-full_AggregatedIndividuallyImmaterialJointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_JointVenturesMember" xlink:to="ifrs-full_AggregatedIndividuallyImmaterialJointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfJointVenturesLineItems" xlink:label="ifrs-full_DisclosureOfJointVenturesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_DisclosureOfJointVenturesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfJointVenturesLineItems" xlink:to="ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesAssociatesDetails" xlink:type="extended" xlink:title="40904 - Disclosure - INVESTMENTS IN JOINT VENTURES AND ASSOCIATES - Associates (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesAxis" xlink:label="ifrs-full_JointVenturesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="ifrs-full_JointVenturesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForJointVenturesMember" xlink:label="ifrs-full_EntitysTotalForJointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_JointVenturesAxis" xlink:to="ifrs-full_EntitysTotalForJointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuangxiHuayinAluminumCo.LtdMember" xlink:label="ach_GuangxiHuayinAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForJointVenturesMember" xlink:to="ach_GuangxiHuayinAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_EntitysTotalForAssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssociatesMember" xlink:label="ifrs-full_AssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ifrs-full_AssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumInvestmentDevelopmentCoMember" xlink:label="ach_ChinaAluminumInvestmentDevelopmentCoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AssociatesMember" xlink:to="ach_ChinaAluminumInvestmentDevelopmentCoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MovementsInInvestmentsInAssociatesAbstract" xlink:label="ach_MovementsInInvestmentsInAssociatesAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ach_MovementsInInvestmentsInAssociatesAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CapitalInjectionsInAssociatesAndJointVentures" xlink:label="ach_CapitalInjectionsInAssociatesAndJointVentures" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ach_CapitalInjectionsInAssociatesAndJointVentures" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisposalAssociatesAndJointVentures" xlink:label="ach_DisposalAssociatesAndJointVentures" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ach_DisposalAssociatesAndJointVentures" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendPayables" xlink:label="ifrs-full_DividendPayables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ifrs-full_DividendPayables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseThroughOtherChangesAssociatesAndJointVentures" xlink:label="ach_IncreaseDecreaseThroughOtherChangesAssociatesAndJointVentures" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ach_IncreaseDecreaseThroughOtherChangesAssociatesAndJointVentures" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLoss" xlink:label="ifrs-full_ImpairmentLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ifrs-full_ImpairmentLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InvestmentsInJointVenturesAccountedForUsingEquityMethodRegisteredAndPaidInCapital" xlink:label="ach_InvestmentsInJointVenturesAccountedForUsingEquityMethodRegisteredAndPaidInCapital" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ach_InvestmentsInJointVenturesAccountedForUsingEquityMethodRegisteredAndPaidInCapital" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfInterestsInAssociates" xlink:label="ifrs-full_PurchaseOfInterestsInAssociates" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ifrs-full_PurchaseOfInterestsInAssociates" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ifrs-full_ProportionOfOwnershipInterestInAssociate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfVotingPowerHeldInAssociate" xlink:label="ifrs-full_ProportionOfVotingPowerHeldInAssociate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ifrs-full_ProportionOfVotingPowerHeldInAssociate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProportionOfProfitSharingPercentageInAssociate" xlink:label="ach_ProportionOfProfitSharingPercentageInAssociate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ach_MovementsInInvestmentsInAssociatesAbstract" xlink:to="ach_ProportionOfProfitSharingPercentageInAssociate" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInvestmentsInJointVenturesAndAssociatesAssociatesNotIndividuallyMaterialDetails" xlink:type="extended" xlink:title="40905 - Disclosure - INVESTMENTS IN JOINT VENTURES AND ASSOCIATES - Associates not individually material (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_EntitysTotalForAssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssociatesMember" xlink:label="ifrs-full_AssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ifrs-full_AssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedIndividuallyImmaterialAssociatesMember" xlink:label="ifrs-full_AggregatedIndividuallyImmaterialAssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AssociatesMember" xlink:to="ifrs-full_AggregatedIndividuallyImmaterialAssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureOtherFinancialAssetsMeasuredAtFairValueDetails" xlink:type="extended" xlink:title="41001 - Disclosure - OTHER FINANCIAL ASSETS MEASURED AT FAIR VALUE (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsTable" xlink:label="ifrs-full_DisclosureOfFinancialAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_MeasurementAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedMeasurementMember" xlink:label="ifrs-full_AggregatedMeasurementMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_AggregatedMeasurementMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FairValueModelMember" xlink:label="ifrs-full_FairValueModelMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedMeasurementMember" xlink:to="ifrs-full_FairValueModelMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FairValueModelMember" xlink:to="ifrs-full_AtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsMember" xlink:label="ifrs-full_FinancialAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_FinancialAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ListedEquityInvestmentsMember" xlink:label="ach_ListedEquityInvestmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_ListedEquityInvestmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentFundsMember" xlink:label="ifrs-full_InvestmentFundsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ifrs-full_InvestmentFundsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DongxingSecuritiesCo.LtdMember" xlink:label="ach_DongxingSecuritiesCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_DongxingSecuritiesCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumInternationalEngineeringCorporationLimitedMember" xlink:label="ach_ChinaAluminumInternationalEngineeringCorporationLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_ChinaAluminumInternationalEngineeringCorporationLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ZhuhaiKingmaHoldingCoLtdMember" xlink:label="ach_ZhuhaiKingmaHoldingCoLtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_ZhuhaiKingmaHoldingCoLtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SanmenxiaDachangMiningCo.LtdMember" xlink:label="ach_SanmenxiaDachangMiningCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_SanmenxiaDachangMiningCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InnerMongoliaGanqimaoduPortDevelopmentCo.Ltd.Member" xlink:label="ach_InnerMongoliaGanqimaoduPortDevelopmentCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_InnerMongoliaGanqimaoduPortDevelopmentCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YinchuanEconomicAndTechnologicalDevelopmentZoneInvestmentHoldingCo.Ltd.Member" xlink:label="ach_YinchuanEconomicAndTechnologicalDevelopmentZoneInvestmentHoldingCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_YinchuanEconomicAndTechnologicalDevelopmentZoneInvestmentHoldingCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FangchenggangChishaPierCo.Ltd.Member" xlink:label="ach_FangchenggangChishaPierCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_FangchenggangChishaPierCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_XingxianShengxingHighwayInvestmentManagementCo.Ltd.Member" xlink:label="ach_XingxianShengxingHighwayInvestmentManagementCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_XingxianShengxingHighwayInvestmentManagementCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinalcoHighEndManufacturingCo.LtdMember" xlink:label="ach_ChinalcoHighEndManufacturingCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_ChinalcoHighEndManufacturingCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_JinlongCopperCoLtdMember" xlink:label="ach_JinlongCopperCoLtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_JinlongCopperCoLtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherEquityInvestmentsMember" xlink:label="ach_OtherEquityInvestmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_OtherEquityInvestmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanHaoxinAluminumFoilCo.LtdMember" xlink:label="ach_YunnanHaoxinAluminumFoilCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_YunnanHaoxinAluminumFoilCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_NoncurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_NoncurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PercentageOfEquityInterestAcquired" xlink:label="ach_PercentageOfEquityInterestAcquired" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ach_PercentageOfEquityInterestAcquired" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EquityInterestAcquiredConsiderationPercentageOfEquityInterestsTransferredInSubsidiary" xlink:label="ach_EquityInterestAcquiredConsiderationPercentageOfEquityInterestsTransferredInSubsidiary" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ach_EquityInterestAcquiredConsiderationPercentageOfEquityInterestsTransferredInSubsidiary" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EquityInterestAcquiredConsiderationPaymentsToAcquireEquityInterests" xlink:label="ach_EquityInterestAcquiredConsiderationPaymentsToAcquireEquityInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ach_EquityInterestAcquiredConsiderationPaymentsToAcquireEquityInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GainLossesOnDisposalOfProductionLinesAndSubsidiary" xlink:label="ach_GainLossesOnDisposalOfProductionLinesAndSubsidiary" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ach_GainLossesOnDisposalOfProductionLinesAndSubsidiary" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureDeferredTaxAssetsDetails" xlink:type="extended" xlink:title="41101 - Disclosure - DEFERRED TAX - Assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceMember" xlink:label="ifrs-full_TemporaryDifferenceMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:to="ifrs-full_TemporaryDifferenceMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProvisionForImpairmentMember" xlink:label="ach_ProvisionForImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ach_ProvisionForImpairmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AccruedExpensesMember" xlink:label="ach_AccruedExpensesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ach_AccruedExpensesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UnusedTaxLossesMember" xlink:label="ifrs-full_UnusedTaxLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ifrs-full_UnusedTaxLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_UnrealizedProfitAtConsolidationMember" xlink:label="ach_UnrealizedProfitAtConsolidationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ach_UnrealizedProfitAtConsolidationMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherTemporaryDifferencesMember" xlink:label="ifrs-full_OtherTemporaryDifferencesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ifrs-full_OtherTemporaryDifferencesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ReconciliationOfChangesInDeferredTaxAssetAbstract" xlink:label="ach_ReconciliationOfChangesInDeferredTaxAssetAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="ach_ReconciliationOfChangesInDeferredTaxAssetAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DeferredTaxAssetsBeforeAdjustments" xlink:label="ach_DeferredTaxAssetsBeforeAdjustments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ReconciliationOfChangesInDeferredTaxAssetAbstract" xlink:to="ach_DeferredTaxAssetsBeforeAdjustments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DeferredTaxAssetsBusinessCombinationUnderCommonControl" xlink:label="ach_DeferredTaxAssetsBusinessCombinationUnderCommonControl" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ReconciliationOfChangesInDeferredTaxAssetAbstract" xlink:to="ach_DeferredTaxAssetsBusinessCombinationUnderCommonControl" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ReconciliationOfChangesInDeferredTaxAssetAbstract" xlink:to="ifrs-full_DeferredTaxAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxAsset" xlink:label="ach_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxAsset" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_ReconciliationOfChangesInDeferredTaxAssetAbstract" xlink:to="ach_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxAsset" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureDeferredTaxLiabilitiesDetails" xlink:type="extended" xlink:title="41102 - Disclosure - DEFERRED TAX - Liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TemporaryDifferenceMember" xlink:label="ifrs-full_TemporaryDifferenceMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:to="ifrs-full_TemporaryDifferenceMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterestCapitalizationMember" xlink:label="ach_InterestCapitalizationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ach_InterestCapitalizationMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FairValueChangesOfFinancialAssetsMember" xlink:label="ach_FairValueChangesOfFinancialAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ach_FairValueChangesOfFinancialAssetsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_WithholdingTaxMember" xlink:label="ach_WithholdingTaxMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ach_WithholdingTaxMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DepreciationAndAmortisationMember" xlink:label="ach_DepreciationAndAmortisationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ach_DepreciationAndAmortisationMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FairValueAdjustmentsFromAcquisitionOfSubsidiariesMember" xlink:label="ach_FairValueAdjustmentsFromAcquisitionOfSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_TemporaryDifferenceMember" xlink:to="ach_FairValueAdjustmentsFromAcquisitionOfSubsidiariesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ReconciliationOfChangesInDeferredTaxLiabilityAbstract" xlink:label="ach_ReconciliationOfChangesInDeferredTaxLiabilityAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="ach_ReconciliationOfChangesInDeferredTaxLiabilityAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DeferredTaxLiabilitiesBeforeAdjustments" xlink:label="ach_DeferredTaxLiabilitiesBeforeAdjustments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ReconciliationOfChangesInDeferredTaxLiabilityAbstract" xlink:to="ach_DeferredTaxLiabilitiesBeforeAdjustments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DeferredTaxLiabilitiesBusinessCombinationUnderCommonControl" xlink:label="ach_DeferredTaxLiabilitiesBusinessCombinationUnderCommonControl" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ReconciliationOfChangesInDeferredTaxLiabilityAbstract" xlink:to="ach_DeferredTaxLiabilitiesBusinessCombinationUnderCommonControl" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="ifrs-full_DeferredTaxLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ReconciliationOfChangesInDeferredTaxLiabilityAbstract" xlink:to="ifrs-full_DeferredTaxLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_ReconciliationOfChangesInDeferredTaxLiabilityAbstract" xlink:to="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiability" xlink:label="ach_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiability" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_ReconciliationOfChangesInDeferredTaxLiabilityAbstract" xlink:to="ach_DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxLiability" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureDeferredTaxUnrecognisedTaxLossesDetails" xlink:type="extended" xlink:title="41105 - Disclosure - DEFERRED TAX - Unrecognised tax losses (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncomeTaxDisclosureTable" xlink:label="ach_IncomeTaxDisclosureTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ach_IncomeTaxDisclosureTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LaterThanFiveYearsAndNotLaterThanSixYearsMember" xlink:label="ach_LaterThanFiveYearsAndNotLaterThanSixYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ach_LaterThanFiveYearsAndNotLaterThanSixYearsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncomeTaxDisclosureLineItems" xlink:label="ach_IncomeTaxDisclosureLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_IncomeTaxDisclosureLineItems" xlink:to="ach_IncomeTaxDisclosureTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:label="ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_IncomeTaxDisclosureLineItems" xlink:to="ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInventoriesDetails" xlink:type="extended" xlink:title="41301 - Disclosure - INVENTORIES (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsTable" xlink:label="ifrs-full_DisclosureOfFinancialAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ScheduleOfInventoryDisclosureLineItems" xlink:label="ach_ScheduleOfInventoryDisclosureLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_ScheduleOfInventoryDisclosureLineItems" xlink:to="ifrs-full_DisclosureOfFinancialAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RawMaterials" xlink:label="ifrs-full_RawMaterials" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ScheduleOfInventoryDisclosureLineItems" xlink:to="ifrs-full_RawMaterials" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WorkInProgress" xlink:label="ifrs-full_WorkInProgress" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ScheduleOfInventoryDisclosureLineItems" xlink:to="ifrs-full_WorkInProgress" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinishedGoods" xlink:label="ifrs-full_FinishedGoods" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_ScheduleOfInventoryDisclosureLineItems" xlink:to="ifrs-full_FinishedGoods" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SpareParts" xlink:label="ifrs-full_SpareParts" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_ScheduleOfInventoryDisclosureLineItems" xlink:to="ifrs-full_SpareParts" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentPackagingAndStorageMaterials" xlink:label="ifrs-full_CurrentPackagingAndStorageMaterials" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_ScheduleOfInventoryDisclosureLineItems" xlink:to="ifrs-full_CurrentPackagingAndStorageMaterials" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Inventories" xlink:label="ifrs-full_Inventories" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_ScheduleOfInventoryDisclosureLineItems" xlink:to="ifrs-full_Inventories" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInventoriesMovementsInProvisionForImpairmentOfInventoriesDetails" xlink:type="extended" xlink:title="41302 - Disclosure - INVENTORIES - Movements in the provision for impairment of inventories (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsTable" xlink:label="ifrs-full_DisclosureOfFinancialAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProductsAndServicesAxis" xlink:label="ifrs-full_ProductsAndServicesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_ProductsAndServicesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProductsAndServicesMember" xlink:label="ifrs-full_ProductsAndServicesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ProductsAndServicesAxis" xlink:to="ifrs-full_ProductsAndServicesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BauxiteInventoriesMember" xlink:label="ach_BauxiteInventoriesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ProductsAndServicesMember" xlink:to="ach_BauxiteInventoriesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xlink:label="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Inventories" xlink:label="ifrs-full_Inventories" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xlink:to="ifrs-full_Inventories" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ImpairmentLossRecognisedInProfitOrLossInventories" xlink:label="ach_ImpairmentLossRecognisedInProfitOrLossInventories" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xlink:to="ach_ImpairmentLossRecognisedInProfitOrLossInventories" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DecreaseThroughLossOfControlOfSubsidiaryInventories" xlink:label="ach_DecreaseThroughLossOfControlOfSubsidiaryInventories" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xlink:to="ach_DecreaseThroughLossOfControlOfSubsidiaryInventories" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReversalOfInventoryWritedown" xlink:label="ifrs-full_ReversalOfInventoryWritedown" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xlink:to="ifrs-full_ReversalOfInventoryWritedown" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InventoryWritedown2011" xlink:label="ifrs-full_InventoryWritedown2011" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_WritedownsReversalsOfWritedownsOfInventoriesAbstract" xlink:to="ifrs-full_InventoryWritedown2011" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InventoriesPledgedAsSecurityForLiabilities" xlink:label="ifrs-full_InventoriesPledgedAsSecurityForLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_InventoriesPledgedAsSecurityForLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureTradeReceivablesAndNotesReceivablesDetails" xlink:type="extended" xlink:title="41401 - Disclosure - TRADE RECEIVABLES AND NOTES RECEIVABLES (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradeAndNotesReceivablesTable" xlink:label="ach_TradeAndNotesReceivablesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ach_TradeAndNotesReceivablesTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ach_TradeAndNotesReceivablesTable" xlink:to="srt_CurrencyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_USD" xlink:label="currency_USD" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_USD" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ach_TradeAndNotesReceivablesTable" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialInstrumentsMember" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NotesReceivablesMember" xlink:label="ach_NotesReceivablesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsMember" xlink:to="ach_NotesReceivablesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradeAndNotesReceivablesLineItems" xlink:label="ach_TradeAndNotesReceivablesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_TradeAndNotesReceivablesLineItems" xlink:to="ach_TradeAndNotesReceivablesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="ifrs-full_CurrentTradeReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_TradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_CurrentTradeReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_TradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentFinancialAssetsAtAmortisedCost" xlink:label="ifrs-full_CurrentFinancialAssetsAtAmortisedCost" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_TradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_CurrentFinancialAssetsAtAmortisedCost" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_TradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_TradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_TradeAndOtherCurrentReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NotesReceivablesPledgedAsSecurity" xlink:label="ach_NotesReceivablesPledgedAsSecurity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_TradeAndNotesReceivablesLineItems" xlink:to="ach_NotesReceivablesPledgedAsSecurity" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureTradeReceivablesAndNotesReceivablesAgeingAnalysisOfTradeReceivablesDetails" xlink:type="extended" xlink:title="41402 - Disclosure - TRADE RECEIVABLES AND NOTES RECEIVABLES - Ageing analysis of trade receivables (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:label="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:label="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:to="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="ifrs-full_CurrentTradeReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_CurrentTradeReceivables" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureTradeReceivablesAndNotesReceivablesCreditRiskExposureDetails" xlink:type="extended" xlink:title="41403 - Disclosure - TRADE RECEIVABLES AND NOTES RECEIVABLES - Credit risk exposure (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:label="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:to="ifrs-full_SegmentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SegmentsMember" xlink:label="ifrs-full_SegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TotalMember" xlink:label="ach_TotalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsMember" xlink:to="ach_TotalMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AluminaAndPrimaryAluminumMember" xlink:label="ach_AluminaAndPrimaryAluminumMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_TotalMember" xlink:to="ach_AluminaAndPrimaryAluminumMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EnergySegmentMember" xlink:label="ach_EnergySegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_TotalMember" xlink:to="ach_EnergySegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradingSegmentMember" xlink:label="ach_TradingSegmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_TotalMember" xlink:to="ach_TradingSegmentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CorporateAndOtherOperatingSegmentsMember" xlink:label="ach_CorporateAndOtherOperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_TotalMember" xlink:to="ach_CorporateAndOtherOperatingSegmentsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:label="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:to="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesMember" xlink:label="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:to="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:label="ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesMember" xlink:to="ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersAxis" xlink:label="ifrs-full_MajorCustomersAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="5" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" xlink:to="ifrs-full_MajorCustomersAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MajorCustomersMember" xlink:label="ifrs-full_MajorCustomersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MajorCustomersAxis" xlink:to="ifrs-full_MajorCustomersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumZiboInternationalTradingCo.Ltd.Member" xlink:label="ach_ChinaAluminumZiboInternationalTradingCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MajorCustomersMember" xlink:to="ach_ChinaAluminumZiboInternationalTradingCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ZhuhaiHongfanNonferrousMetalChemicalCo.Ltd.Member" xlink:label="ach_ZhuhaiHongfanNonferrousMetalChemicalCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_MajorCustomersMember" xlink:to="ach_ZhuhaiHongfanNonferrousMetalChemicalCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AluminumIndustryCo.Ltd.LuoyangHenanMember" xlink:label="ach_AluminumIndustryCo.Ltd.LuoyangHenanMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_MajorCustomersMember" xlink:to="ach_AluminumIndustryCo.Ltd.LuoyangHenanMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_XinjiangJiarunResourcesHoldingsCo.Ltd.Member" xlink:label="ach_XinjiangJiarunResourcesHoldingsCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_MajorCustomersMember" xlink:to="ach_XinjiangJiarunResourcesHoldingsCo.Ltd.Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ReceivableFromOthersMember" xlink:label="ach_ReceivableFromOthersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_MajorCustomersMember" xlink:to="ach_ReceivableFromOthersMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:label="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:to="ach_AgeingAnalysisOfTradeAndNotesReceivablesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_TradeAndOtherCurrentReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="ifrs-full_CurrentTradeReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_CurrentTradeReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ExpectedCreditLossRate" xlink:label="ifrs-full_ExpectedCreditLossRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_AgeingAnalysisOfTradeAndNotesReceivablesLineItems" xlink:to="ifrs-full_ExpectedCreditLossRate" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureTradeReceivablesAndNotesReceivablesMovementsOnProvisionForImpairmentOfTradeReceivablesDetails" xlink:type="extended" xlink:title="41404 - Disclosure - TRADE RECEIVABLES AND NOTES RECEIVABLES - Movements on the provision for impairment of trade receivables (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems" xlink:label="ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems" xlink:to="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ImpairmentLossRecognisedInProfitOrLossTradeAndNotesReceivables" xlink:label="ach_ImpairmentLossRecognisedInProfitOrLossTradeAndNotesReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ach_ImpairmentLossRecognisedInProfitOrLossTradeAndNotesReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_WrittenOffTradeAndNotesReceivables" xlink:label="ach_WrittenOffTradeAndNotesReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ach_WrittenOffTradeAndNotesReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ReversalOfTradeAndNotesReceivables" xlink:label="ach_ReversalOfTradeAndNotesReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ach_ReversalOfTradeAndNotesReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseThroughOtherChangesTradeAndNotesReceivables" xlink:label="ach_IncreaseDecreaseThroughOtherChangesTradeAndNotesReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ach_IncreaseDecreaseThroughOtherChangesTradeAndNotesReceivables" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureOtherCurrentAssetsDetails" xlink:type="extended" xlink:title="41501 - Disclosure - OTHER CURRENT ASSETS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ifrs-full_ClassesOfAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsMember" xlink:label="ifrs-full_ClassesOfAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsOtherCurrentAssetsMember" xlink:label="ach_IfrsOtherCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ach_IfrsOtherCurrentAssetsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="srt_CurrencyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_USD" xlink:label="currency_USD" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_USD" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:label="ifrs-full_DisclosureOfFinancialAssetsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialAssetsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentDepositsToSuppliers" xlink:label="ach_CurrentDepositsToSuppliers" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_CurrentDepositsToSuppliers" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsDividendsReceivable" xlink:label="ach_IfrsDividendsReceivable" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_IfrsDividendsReceivable" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EntrustedLoansAndLoansReceivableFromThirdParties" xlink:label="ach_EntrustedLoansAndLoansReceivableFromThirdParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_EntrustedLoansAndLoansReceivableFromThirdParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherCurrentReceivablesDueFromRelatedParties" xlink:label="ifrs-full_TradeAndOtherCurrentReceivablesDueFromRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ifrs-full_TradeAndOtherCurrentReceivablesDueFromRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RecoverableReimbursementForFreightCharges" xlink:label="ach_RecoverableReimbursementForFreightCharges" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_RecoverableReimbursementForFreightCharges" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherCurrentFinancialAssets" xlink:label="ifrs-full_OtherCurrentFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ifrs-full_OtherCurrentFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherCurrentAssets" xlink:label="ach_FinancialAssetsIncludedInOtherCurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_FinancialAssetsIncludedInOtherCurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherCurrentAssetsNetOfProvisionForImpairment" xlink:label="ach_FinancialAssetsIncludedInOtherCurrentAssetsNetOfProvisionForImpairment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_FinancialAssetsIncludedInOtherCurrentAssetsNetOfProvisionForImpairment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DeductibleInputValueAddedTaxReceivables" xlink:label="ach_DeductibleInputValueAddedTaxReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_DeductibleInputValueAddedTaxReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PrepaidIncomeTax" xlink:label="ach_PrepaidIncomeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_PrepaidIncomeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PrepaymentsToRelatedPartiesForPurchases" xlink:label="ach_PrepaymentsToRelatedPartiesForPurchases" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_PrepaymentsToRelatedPartiesForPurchases" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAdvancesToSuppliers" xlink:label="ifrs-full_CurrentAdvancesToSuppliers" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ifrs-full_CurrentAdvancesToSuppliers" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherReceivables" xlink:label="ifrs-full_OtherReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ifrs-full_OtherReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherCurrentAssetsExcludedFinancialAssets" xlink:label="ach_OtherCurrentAssetsExcludedFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_OtherCurrentAssetsExcludedFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherCurrentAssetsExcludedFinancialAssetsNetOfProvisionForImpairment" xlink:label="ach_OtherCurrentAssetsExcludedFinancialAssetsNetOfProvisionForImpairment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ach_OtherCurrentAssetsExcludedFinancialAssetsNetOfProvisionForImpairment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherCurrentAssets" xlink:label="ifrs-full_OtherCurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="ifrs-full_OtherCurrentAssets" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureOtherCurrentAssetsAnalysisOfFinancialAssetsIncludedInOtherCurrentAssetsDetails" xlink:type="extended" xlink:title="41502 - Disclosure - OTHER CURRENT ASSETS - Analysis of financial assets included in other current assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsTable" xlink:label="ifrs-full_DisclosureOfFinancialAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ifrs-full_ClassesOfAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsMember" xlink:label="ifrs-full_ClassesOfAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsOtherCurrentAssetsMember" xlink:label="ach_IfrsOtherCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ach_IfrsOtherCurrentAssetsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherCurrentAssets" xlink:label="ach_FinancialAssetsIncludedInOtherCurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ach_FinancialAssetsIncludedInOtherCurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherCurrentAssetsNetOfProvisionForImpairment" xlink:label="ach_FinancialAssetsIncludedInOtherCurrentAssetsNetOfProvisionForImpairment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ach_FinancialAssetsIncludedInOtherCurrentAssetsNetOfProvisionForImpairment" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureOtherCurrentAssetsMovementsInProvisionForImpairmentOfOtherCurrentAssetsDetails" xlink:type="extended" xlink:title="41503 - Disclosure - OTHER CURRENT ASSETS - Movements in the provision for impairment of other current assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherProvisionsTable" xlink:label="ifrs-full_DisclosureOfOtherProvisionsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfProvisionsAxis" xlink:label="ifrs-full_ClassesOfProvisionsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="ifrs-full_ClassesOfProvisionsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherProvisionsMember" xlink:label="ifrs-full_OtherProvisionsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfProvisionsAxis" xlink:to="ifrs-full_OtherProvisionsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ImpairmentOnOtherCurrentAssetsMember" xlink:label="ach_ImpairmentOnOtherCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_OtherProvisionsMember" xlink:to="ach_ImpairmentOnOtherCurrentAssetsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ifrs-full_ClassesOfAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsMember" xlink:label="ifrs-full_ClassesOfAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsOtherCurrentAssetsMember" xlink:label="ach_IfrsOtherCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ach_IfrsOtherCurrentAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:label="ifrs-full_DisclosureOfOtherProvisionsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="ifrs-full_DisclosureOfOtherProvisionsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProvisionForImpairmentOfOtherCurrentAssetsAbstract" xlink:label="ach_ProvisionForImpairmentOfOtherCurrentAssetsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="ach_ProvisionForImpairmentOfOtherCurrentAssetsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AllowanceAccountForCreditLosses" xlink:label="ach_AllowanceAccountForCreditLosses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ProvisionForImpairmentOfOtherCurrentAssetsAbstract" xlink:to="ach_AllowanceAccountForCreditLosses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLosses" xlink:label="ach_AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLosses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ProvisionForImpairmentOfOtherCurrentAssetsAbstract" xlink:to="ach_AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLosses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_WriteOffAllowanceAccountForCreditLosses" xlink:label="ach_WriteOffAllowanceAccountForCreditLosses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ProvisionForImpairmentOfOtherCurrentAssetsAbstract" xlink:to="ach_WriteOffAllowanceAccountForCreditLosses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ReversalAllowanceAccountForCreditLosses" xlink:label="ach_ReversalAllowanceAccountForCreditLosses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_ProvisionForImpairmentOfOtherCurrentAssetsAbstract" xlink:to="ach_ReversalAllowanceAccountForCreditLosses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLosses" xlink:label="ach_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLosses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_ProvisionForImpairmentOfOtherCurrentAssetsAbstract" xlink:to="ach_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLosses" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureOtherCurrentAssetsFinancialAssetsIncludedInOtherCurrentAssetsAtAmortizedCostDetails" xlink:type="extended" xlink:title="41504 - Disclosure - OTHER CURRENT ASSETS - Financial assets included in other current assets at amortized cost (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:label="ifrs-full_TwelvemonthExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:to="ifrs-full_TwelvemonthExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LifetimeExpectedCreditLossesMember" xlink:label="ifrs-full_LifetimeExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:to="ifrs-full_LifetimeExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:label="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" xlink:label="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:to="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:label="ifrs-full_FinancialInstrumentsNotCreditimpairedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" xlink:to="ifrs-full_FinancialInstrumentsNotCreditimpairedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:label="ifrs-full_FinancialInstrumentsCreditimpairedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" xlink:to="ifrs-full_FinancialInstrumentsCreditimpairedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ifrs-full_ClassesOfAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="5" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsMember" xlink:label="ifrs-full_ClassesOfAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsOtherCurrentAssetsMember" xlink:label="ach_IfrsOtherCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ach_IfrsOtherCurrentAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherCurrentAssets" xlink:label="ach_FinancialAssetsIncludedInOtherCurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:to="ach_FinancialAssetsIncludedInOtherCurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:to="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureCashAndCashEquivalentsAndRestrictedCashCashAndCashEquivalentAndRestrictedCashDenominatedInForeignCurrenciesDetails" xlink:type="extended" xlink:title="41602 - Disclosure - CASH AND CASH EQUIVALENTS AND RESTRICTED CASH - Cash and cash equivalent and restricted cash denominated in foreign currencies (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfBankBalancesAndCashOnHandOfGroupTable" xlink:label="ach_DisclosureOfBankBalancesAndCashOnHandOfGroupTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ach_DisclosureOfBankBalancesAndCashOnHandOfGroupTable" xlink:to="srt_CurrencyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_CNY" xlink:label="currency_CNY" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_CNY" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_USD" xlink:label="currency_USD" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_USD" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_HKD" xlink:label="currency_HKD" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_HKD" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_EUR" xlink:label="currency_EUR" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_EUR" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OthersCurrencyMember" xlink:label="ach_OthersCurrencyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="currency_AllCurrenciesDomain" xlink:to="ach_OthersCurrencyMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfBankBalancesAndCashOnHandOfGroupLineItems" xlink:label="ach_DisclosureOfBankBalancesAndCashOnHandOfGroupLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_DisclosureOfBankBalancesAndCashOnHandOfGroupLineItems" xlink:to="ach_DisclosureOfBankBalancesAndCashOnHandOfGroupTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CashAndCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="ach_CashAndCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_DisclosureOfBankBalancesAndCashOnHandOfGroupLineItems" xlink:to="ach_CashAndCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureShareCapitalDetails" xlink:type="extended" xlink:title="41701 - Disclosure - SHARE CAPITAL (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ifrs-full_ClassesOfShareCapitalAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="ifrs-full_ClassesOfShareCapitalAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfShareCapitalMember" xlink:label="ifrs-full_ClassesOfShareCapitalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfShareCapitalAxis" xlink:to="ifrs-full_ClassesOfShareCapitalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OrdinarySharesMember" xlink:label="ifrs-full_OrdinarySharesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfShareCapitalMember" xlink:to="ifrs-full_OrdinarySharesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ClassOrdinarySharesMember" xlink:label="ach_ClassOrdinarySharesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_OrdinarySharesMember" xlink:to="ach_ClassOrdinarySharesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ClassHOrdinarySharesMember" xlink:label="ach_ClassHOrdinarySharesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_OrdinarySharesMember" xlink:to="ach_ClassHOrdinarySharesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharebasedPaymentArrangementsMember" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_SharebasedPaymentArrangementsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RestrictedSharesUnderIncentiveSchemeMember" xlink:label="ach_RestrictedSharesUnderIncentiveSchemeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SharebasedPaymentArrangementsMember" xlink:to="ach_RestrictedSharesUnderIncentiveSchemeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsAwardTypeAxis" xlink:label="ach_IfrsAwardTypeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="ach_IfrsAwardTypeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ach_IfrsAwardTypeAxis" xlink:to="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RestrictedSharesMember" xlink:label="ach_RestrictedSharesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="ach_RestrictedSharesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfSharesAuthorised" xlink:label="ifrs-full_NumberOfSharesAuthorised" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="ifrs-full_NumberOfSharesAuthorised" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfSharesIssued" xlink:label="ifrs-full_NumberOfSharesIssued" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="ifrs-full_NumberOfSharesIssued" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ParValuePerShare" xlink:label="ifrs-full_ParValuePerShare" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="ifrs-full_ParValuePerShare" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureRestrictedSharesHeldForEmployeeShareSchemeDetails" xlink:type="extended" xlink:title="41801 - Disclosure - RESTRICTED SHARES HELD FOR EMPLOYEE SHARE SCHEME (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharebasedPaymentArrangementsMember" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_SharebasedPaymentArrangementsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RestrictedSharesUnderIncentiveSchemeMember" xlink:label="ach_RestrictedSharesUnderIncentiveSchemeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SharebasedPaymentArrangementsMember" xlink:to="ach_RestrictedSharesUnderIncentiveSchemeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsAwardTypeAxis" xlink:label="ach_IfrsAwardTypeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="ach_IfrsAwardTypeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ach_IfrsAwardTypeAxis" xlink:to="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RestrictedSharesMember" xlink:label="ach_RestrictedSharesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_IfrsShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="ach_RestrictedSharesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SharesHeldForEmployeeShareScheme" xlink:label="ach_SharesHeldForEmployeeShareScheme" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ach_SharesHeldForEmployeeShareScheme" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares" xlink:label="ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GrantDateFairValuePerShareShareBasedPaymentArrangements" xlink:label="ach_GrantDateFairValuePerShareShareBasedPaymentArrangements" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ach_GrantDateFairValuePerShareShareBasedPaymentArrangements" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureRestrictedSharesHeldForEmployeeShareSchemeGrantedAndRepurchaseObligationDetails" xlink:type="extended" xlink:title="41802 - Disclosure - RESTRICTED SHARES HELD FOR EMPLOYEE SHARE SCHEME - Granted and Repurchase obligation (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharebasedPaymentArrangementsMember" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_SharebasedPaymentArrangementsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RestrictedSharesUnderIncentiveSchemeMember" xlink:label="ach_RestrictedSharesUnderIncentiveSchemeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SharebasedPaymentArrangementsMember" xlink:to="ach_RestrictedSharesUnderIncentiveSchemeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RepurchaseObligationShareBasedPaymentArrangements" xlink:label="ach_RepurchaseObligationShareBasedPaymentArrangements" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ach_RepurchaseObligationShareBasedPaymentArrangements" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RepurchaseObligationForEquityInstrumentGrantedShareBasedPaymentArrangements" xlink:label="ach_RepurchaseObligationForEquityInstrumentGrantedShareBasedPaymentArrangements" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ach_RepurchaseObligationForEquityInstrumentGrantedShareBasedPaymentArrangements" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureRestrictedSharesHeldForEmployeeShareSchemeSharesIssuedDetails" xlink:type="extended" xlink:title="41803 - Disclosure - RESTRICTED SHARES HELD FOR EMPLOYEE SHARE SCHEME - Shares issued (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharebasedPaymentArrangementsMember" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_SharebasedPaymentArrangementsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RestrictedSharesUnderIncentiveSchemeMember" xlink:label="ach_RestrictedSharesUnderIncentiveSchemeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SharebasedPaymentArrangementsMember" xlink:to="ach_RestrictedSharesUnderIncentiveSchemeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:label="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfSharesIssued" xlink:label="ifrs-full_NumberOfSharesIssued" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="ifrs-full_NumberOfSharesIssued" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureOtherEquityInstrumentsDetails" xlink:type="extended" xlink:title="41901 - Disclosure - OTHER EQUITY INSTRUMENTS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_Perpetual2019SecondMediumTermNotesMember" xlink:label="ach_Perpetual2019SecondMediumTermNotesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_Perpetual2019SecondMediumTermNotesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_Perpetual2020SecondMediumTermNotesMember" xlink:label="ach_Perpetual2020SecondMediumTermNotesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_Perpetual2020SecondMediumTermNotesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_Perpetual2022ThirdMediumTermNotesMember" xlink:label="ach_Perpetual2022ThirdMediumTermNotesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_Perpetual2022ThirdMediumTermNotesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_Perpetual2022FourthMediumTermNotesMember" xlink:label="ach_Perpetual2022FourthMediumTermNotesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_Perpetual2022FourthMediumTermNotesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_RangeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangesMember" xlink:label="ifrs-full_RangesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_TopOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherEquityInterest" xlink:label="ifrs-full_OtherEquityInterest" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_OtherEquityInterest" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:label="ifrs-full_ProceedsFromIssuingOtherEquityInstruments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_ProceedsFromIssuingOtherEquityInstruments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsOfOtherEquityInstruments" xlink:label="ifrs-full_PaymentsOfOtherEquityInstruments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_PaymentsOfOtherEquityInstruments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotionalAmount" xlink:label="ifrs-full_NotionalAmount" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_NotionalAmount" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsInterestRate" xlink:label="ifrs-full_BorrowingsInterestRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_BorrowingsInterestRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProceedsFromIssueOfSeniorPerpetualSecurities" xlink:label="ach_ProceedsFromIssueOfSeniorPerpetualSecurities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_ProceedsFromIssueOfSeniorPerpetualSecurities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherEquityInstrumentsBasisSpread" xlink:label="ach_OtherEquityInstrumentsBasisSpread" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_OtherEquityInstrumentsBasisSpread" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherEquityInstrumentsMarginRate" xlink:label="ach_OtherEquityInstrumentsMarginRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_OtherEquityInstrumentsMarginRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherEquityInstrumentsTermForMarginRate" xlink:label="ach_OtherEquityInstrumentsTermForMarginRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_OtherEquityInstrumentsTermForMarginRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AmountOfUnpaidOrDeferredCouponDistributionPayments" xlink:label="ach_AmountOfUnpaidOrDeferredCouponDistributionPayments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_AmountOfUnpaidOrDeferredCouponDistributionPayments" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsDetails" xlink:type="extended" xlink:title="42101 - Disclosure - INTEREST BEARING LOANS AND BORROWINGS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SecuredBankAndOtherLoansMember" xlink:label="ach_SecuredBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_SecuredBankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuaranteedBankAndOtherLoansMember" xlink:label="ach_GuaranteedBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_GuaranteedBankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_UnsecuredBankAndOtherLoansMember" xlink:label="ach_UnsecuredBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_UnsecuredBankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LeaseLiabilities" xlink:label="ifrs-full_LeaseLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_LeaseLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BorrowingsMediumTermNotesAndBonds" xlink:label="ach_BorrowingsMediumTermNotesAndBonds" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_BorrowingsMediumTermNotesAndBonds" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NonCurrentBankLoansAndOtherLoansReceived" xlink:label="ach_NonCurrentBankLoansAndOtherLoansReceived" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_NonCurrentBankLoansAndOtherLoansReceived" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LongTermBorrowingsCurrentAndNonCurrent" xlink:label="ach_LongTermBorrowingsCurrentAndNonCurrent" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_LongTermBorrowingsCurrentAndNonCurrent" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLeaseLiabilities" xlink:label="ifrs-full_CurrentLeaseLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_CurrentLeaseLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentPortionOfMediumTermNotesAndBonds" xlink:label="ach_CurrentPortionOfMediumTermNotesAndBonds" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_CurrentPortionOfMediumTermNotesAndBonds" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentPortionOfLongTermBankLoansAndOtherLoansReceived" xlink:label="ach_CurrentPortionOfLongTermBankLoansAndOtherLoansReceived" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_CurrentPortionOfLongTermBankLoansAndOtherLoansReceived" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentPortionOfLongtermBorrowings" xlink:label="ifrs-full_CurrentPortionOfLongtermBorrowings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_CurrentPortionOfLongtermBorrowings" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LongtermBorrowings" xlink:label="ifrs-full_LongtermBorrowings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_LongtermBorrowings" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsShortTermLoansAndBorrowingsDetails" xlink:type="extended" xlink:title="42102 - Disclosure - INTEREST BEARING LOANS AND BORROWINGS - Short-term loans and borrowings (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BankAndOtherLoansMember" xlink:label="ach_BankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_BankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SecuredBankAndOtherLoansMember" xlink:label="ach_SecuredBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_BankAndOtherLoansMember" xlink:to="ach_SecuredBankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_UnsecuredBankAndOtherLoansMember" xlink:label="ach_UnsecuredBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_BankAndOtherLoansMember" xlink:to="ach_UnsecuredBankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="srt_CurrencyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_JPY" xlink:label="currency_JPY" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_JPY" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_USD" xlink:label="currency_USD" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_USD" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermLoansAndBorrowingsAbstract" xlink:label="ach_ShortTermLoansAndBorrowingsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_ShortTermLoansAndBorrowingsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentUnsecuredNotesAndBondsIssued" xlink:label="ach_CurrentUnsecuredNotesAndBondsIssued" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ShortTermLoansAndBorrowingsAbstract" xlink:to="ach_CurrentUnsecuredNotesAndBondsIssued" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BankAndOtherLoansCurrent" xlink:label="ach_BankAndOtherLoansCurrent" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ShortTermLoansAndBorrowingsAbstract" xlink:to="ach_BankAndOtherLoansCurrent" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLeaseLiabilities" xlink:label="ifrs-full_CurrentLeaseLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ShortTermLoansAndBorrowingsAbstract" xlink:to="ifrs-full_CurrentLeaseLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentPortionOfMediumTermNotesAndBonds" xlink:label="ach_CurrentPortionOfMediumTermNotesAndBonds" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_ShortTermLoansAndBorrowingsAbstract" xlink:to="ach_CurrentPortionOfMediumTermNotesAndBonds" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentPortionOfLongTermBankLoansAndOtherLoansReceived" xlink:label="ach_CurrentPortionOfLongTermBankLoansAndOtherLoansReceived" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_ShortTermLoansAndBorrowingsAbstract" xlink:to="ach_CurrentPortionOfLongTermBankLoansAndOtherLoansReceived" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentPortionOfLongTermBorrowingsIncludingBonds" xlink:label="ach_CurrentPortionOfLongTermBorrowingsIncludingBonds" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_ShortTermLoansAndBorrowingsAbstract" xlink:to="ach_CurrentPortionOfLongTermBorrowingsIncludingBonds" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_ShortTermLoansAndBorrowingsAbstract" xlink:to="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsOtherInformationDetails" xlink:type="extended" xlink:title="42103 - Disclosure - INTEREST BEARING LOANS AND BORROWINGS - Other information (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SecuredBankAndOtherLoansMember" xlink:label="ach_SecuredBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_SecuredBankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="srt_CurrencyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_JPY" xlink:label="currency_JPY" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_JPY" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_USD" xlink:label="currency_USD" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_USD" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SubsidiariesOfChinalcoMember" xlink:label="ach_SubsidiariesOfChinalcoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ach_SubsidiariesOfChinalcoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShandongHuayuAlloyMaterialsCo.LtdMember" xlink:label="ach_ShandongHuayuAlloyMaterialsCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ach_ShandongHuayuAlloyMaterialsCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesAxis" xlink:label="ifrs-full_JointVenturesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_JointVenturesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForJointVenturesMember" xlink:label="ifrs-full_EntitysTotalForJointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_JointVenturesAxis" xlink:to="ifrs-full_EntitysTotalForJointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesMember" xlink:label="ifrs-full_JointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForJointVenturesMember" xlink:to="ifrs-full_JointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BankAndOtherLoansCurrent" xlink:label="ach_BankAndOtherLoansCurrent" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_BankAndOtherLoansCurrent" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsMaturityOfLongTermBankAndOtherLoansDetails" xlink:type="extended" xlink:title="42104 - Disclosure - INTEREST BEARING LOANS AND BORROWINGS - Maturity of long-term bank and other loans (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LaterThanTwoAndNotLaterThanFiveYearsMember" xlink:label="ach_LaterThanTwoAndNotLaterThanFiveYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ach_LaterThanTwoAndNotLaterThanFiveYearsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanFiveYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanFiveYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:to="ifrs-full_RangeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangesMember" xlink:label="ifrs-full_RangesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageMember" xlink:label="ifrs-full_WeightedAverageMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_WeightedAverageMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BankAndOtherLoansMember" xlink:label="ach_BankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_BankAndOtherLoansMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LoansFromBanksAndOtherFinancialInstitutionsMember" xlink:label="ach_LoansFromBanksAndOtherFinancialInstitutionsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_LoansFromBanksAndOtherFinancialInstitutionsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherLoansMember" xlink:label="ach_OtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_OtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBankAndOtherLoansMember" xlink:label="ach_ShortTermBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBankAndOtherLoansMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NonCurrentBankLoansAndOtherLoansReceived" xlink:label="ach_NonCurrentBankLoansAndOtherLoansReceived" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:to="ach_NonCurrentBankLoansAndOtherLoansReceived" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsInterestRate" xlink:label="ifrs-full_BorrowingsInterestRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:to="ifrs-full_BorrowingsInterestRate" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsMediumTermAndLongTermNotesAndBondsAndPrivatePlacementNotesDetails" xlink:type="extended" xlink:title="42105 - Disclosure - INTEREST BEARING LOANS AND BORROWINGS - Medium-term and long-term notes and bonds and private placement notes (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:label="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotes4.31PercentDueIn2024Member" xlink:label="ach_MediumTermNotes4.31PercentDueIn2024Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermNotes4.31PercentDueIn2024Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotes3.21PercentDueIn2024Member" xlink:label="ach_MediumTermNotes3.21PercentDueIn2024Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermNotes3.21PercentDueIn2024Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotes3.08PercentDueIn2025Member" xlink:label="ach_MediumTermNotes3.08PercentDueIn2025Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermNotes3.08PercentDueIn2025Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotes2.73PercentDueIn2025Member" xlink:label="ach_MediumTermNotes2.73PercentDueIn2025Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermNotes2.73PercentDueIn2025Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotes3.04PercentDueIn2023Member" xlink:label="ach_MediumTermNotes3.04PercentDueIn2023Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermNotes3.04PercentDueIn2023Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotes2.50PercentDueIn2024Member" xlink:label="ach_MediumTermNotes2.50PercentDueIn2024Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermNotes2.50PercentDueIn2024Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermBonds5.06PercentDueIn2023Member" xlink:label="ach_MediumTermBonds5.06PercentDueIn2023Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermBonds5.06PercentDueIn2023Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermBonds4.57PercentDueIn2023Member" xlink:label="ach_MediumTermBonds4.57PercentDueIn2023Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermBonds4.57PercentDueIn2023Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermBonds3.84PercentDueIn2022Member" xlink:label="ach_MediumTermBonds3.84PercentDueIn2022Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermBonds3.84PercentDueIn2022Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermBonds3.31PercentDueIn2025Member" xlink:label="ach_MediumTermBonds3.31PercentDueIn2025Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermBonds3.31PercentDueIn2025Member" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotes1.74PercentDueIn2024Member" xlink:label="ach_MediumTermNotes1.74PercentDueIn2024Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermNotes1.74PercentDueIn2024Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermBonds3.07PercentDueIn2023Member" xlink:label="ach_MediumTermBonds3.07PercentDueIn2023Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermBonds3.07PercentDueIn2023Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotes2.24PercentDueIn2026Member" xlink:label="ach_MediumTermNotes2.24PercentDueIn2026Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermNotes2.24PercentDueIn2026Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermBonds4.57PercentDueIn2029Member" xlink:label="ach_MediumTermBonds4.57PercentDueIn2029Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermBonds4.57PercentDueIn2029Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermBonds3.52PercentDueIn2022Member" xlink:label="ach_MediumTermBonds3.52PercentDueIn2022Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ach_MediumTermNotesAndBondsAndLongTermBondsAndPrivatePlacementsNotesMember" xlink:to="ach_MediumTermBonds3.52PercentDueIn2022Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotionalAmount" xlink:label="ifrs-full_NotionalAmount" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_NotionalAmount" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsInterestRate" xlink:label="ifrs-full_BorrowingsInterestRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_BorrowingsInterestRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BorrowingsMediumTermNotesAndBonds" xlink:label="ach_BorrowingsMediumTermNotesAndBonds" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_BorrowingsMediumTermNotesAndBonds" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsShortTermBankOtherLoansAndShortTermBondsDetails" xlink:type="extended" xlink:title="42106 - Disclosure - INTEREST BEARING LOANS AND BORROWINGS - Short-term bank, other loans and short-term bonds (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBankAndOtherLoansMember" xlink:label="ach_ShortTermBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBankAndOtherLoansMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds2.30PercentDueIn2022Member" xlink:label="ach_ShortTermBonds2.30PercentDueIn2022Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds2.30PercentDueIn2022Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds2.70PercentDueIn2021Member" xlink:label="ach_ShortTermBonds2.70PercentDueIn2021Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds2.70PercentDueIn2021Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds2.59PercentDueIn2021Member" xlink:label="ach_ShortTermBonds2.59PercentDueIn2021Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds2.59PercentDueIn2021Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds2.55PercentDueIn2021Member" xlink:label="ach_ShortTermBonds2.55PercentDueIn2021Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds2.55PercentDueIn2021Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds2.80PercentDueIn2021Member" xlink:label="ach_ShortTermBonds2.80PercentDueIn2021Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds2.80PercentDueIn2021Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds2.58PercentDueIn2022Member" xlink:label="ach_ShortTermBonds2.58PercentDueIn2022Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds2.58PercentDueIn2022Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds2.05PercentDueIn2022Member" xlink:label="ach_ShortTermBonds2.05PercentDueIn2022Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds2.05PercentDueIn2022Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds1.93PercentDueIn2022Member" xlink:label="ach_ShortTermBonds1.93PercentDueIn2022Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds1.93PercentDueIn2022Member" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBonds1.59PercentDueIn2022Member" xlink:label="ach_ShortTermBonds1.59PercentDueIn2022Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_ShortTermBonds1.59PercentDueIn2022Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_RangeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangesMember" xlink:label="ifrs-full_RangesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_WeightedAverageMember" xlink:label="ifrs-full_WeightedAverageMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_WeightedAverageMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotionalAmount" xlink:label="ifrs-full_NotionalAmount" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_NotionalAmount" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsInterestRate" xlink:label="ifrs-full_BorrowingsInterestRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_BorrowingsInterestRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentUnsecuredNotesAndBondsIssued" xlink:label="ach_CurrentUnsecuredNotesAndBondsIssued" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_CurrentUnsecuredNotesAndBondsIssued" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureInterestBearingLoansAndBorrowingsGuaranteedInterestBearingLoansAndBorrowingsDetails" xlink:type="extended" xlink:title="42107 - Disclosure - INTEREST BEARING LOANS AND BORROWINGS - Guaranteed interest-bearing loans and borrowings (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuarantorByNameAxis" xlink:label="ach_GuarantorByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ach_GuarantorByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuarantorByNameMember" xlink:label="ach_GuarantorByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ach_GuarantorByNameAxis" xlink:to="ach_GuarantorByNameMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BaotouAluminumCo.LtdAndBaotouCommunicationsInvestmentGroupCo.LtdMember" xlink:label="ach_BaotouAluminumCo.LtdAndBaotouCommunicationsInvestmentGroupCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_GuarantorByNameMember" xlink:to="ach_BaotouAluminumCo.LtdAndBaotouCommunicationsInvestmentGroupCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuizhouIndustrialInvestmentGroupCo.LtdMember" xlink:label="ach_GuizhouIndustrialInvestmentGroupCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_GuarantorByNameMember" xlink:to="ach_GuizhouIndustrialInvestmentGroupCo.LtdMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ParentMember" xlink:label="ifrs-full_ParentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_GuarantorByNameMember" xlink:to="ifrs-full_ParentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CompanyAndCoscoShippingBulkLimitedCompanyMember" xlink:label="ach_CompanyAndCoscoShippingBulkLimitedCompanyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_GuarantorByNameMember" xlink:to="ach_CompanyAndCoscoShippingBulkLimitedCompanyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" xlink:label="ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_GuarantorByNameMember" xlink:to="ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.LtdMember" xlink:label="ach_YunnanAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_GuarantorByNameMember" xlink:to="ach_YunnanAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_BorrowingsByNameAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuaranteedBankAndOtherLoansMember" xlink:label="ach_GuaranteedBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ach_GuaranteedBankAndOtherLoansMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesMember" xlink:label="ifrs-full_FinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_FinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LongtermBorrowingsMember" xlink:label="ifrs-full_LongtermBorrowingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ifrs-full_LongtermBorrowingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NonCurrentBankLoansAndOtherLoansReceived" xlink:label="ach_NonCurrentBankLoansAndOtherLoansReceived" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_NonCurrentBankLoansAndOtherLoansReceived" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_BankAndOtherLoansCurrent" xlink:label="ach_BankAndOtherLoansCurrent" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="ach_BankAndOtherLoansCurrent" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureLeaseCarryingAmountOfRightOfUseAndMovementDuringYearDetails" xlink:type="extended" xlink:title="42201 - Disclosure - LEASE - Carrying amount of right-of-use and movement during the year (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ifrs-full_ClassesOfAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfAssetsMember" xlink:label="ifrs-full_ClassesOfAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BuildingsMember" xlink:label="ifrs-full_BuildingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ifrs-full_BuildingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MachineryMember" xlink:label="ifrs-full_MachineryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ifrs-full_MachineryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LandUseRightsMember" xlink:label="ach_LandUseRightsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ach_LandUseRightsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RightofuseAssets" xlink:label="ifrs-full_RightofuseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ifrs-full_RightofuseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdditionsToRightofuseAssets" xlink:label="ifrs-full_AdditionsToRightofuseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ifrs-full_AdditionsToRightofuseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AdditionsToLeasesRightOfUseAssets" xlink:label="ach_AdditionsToLeasesRightOfUseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_AdditionsToLeasesRightOfUseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransferFromOwnerOccupiedPropertyInvestmentProperty" xlink:label="ach_TransferFromOwnerOccupiedPropertyInvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_TransferFromOwnerOccupiedPropertyInvestmentProperty" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransferFromPropertyPlantAndEquipmentRightOfUseAssets" xlink:label="ach_TransferFromPropertyPlantAndEquipmentRightOfUseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_TransferFromPropertyPlantAndEquipmentRightOfUseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LeaseModificationRightOfUseAssets" xlink:label="ach_LeaseModificationRightOfUseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_LeaseModificationRightOfUseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TransferToPropertyPlantAndEquipmentRightOfUseAssets" xlink:label="ach_TransferToPropertyPlantAndEquipmentRightOfUseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_TransferToPropertyPlantAndEquipmentRightOfUseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" xlink:label="ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisposalRightOfUseAssets" xlink:label="ach_DisposalRightOfUseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_DisposalRightOfUseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationRightofuseAssets" xlink:label="ifrs-full_DepreciationRightofuseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ifrs-full_DepreciationRightofuseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ImpairmentLossesRightOfUseAssets" xlink:label="ach_ImpairmentLossesRightOfUseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_ImpairmentLossesRightOfUseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrencyTranslationDifferencesRightOfUseAssets" xlink:label="ach_CurrencyTranslationDifferencesRightOfUseAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_CurrencyTranslationDifferencesRightOfUseAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RightOfUseAssetsPledgedAsSecurity" xlink:label="ach_RightOfUseAssetsPledgedAsSecurity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems" xlink:to="ach_RightOfUseAssetsPledgedAsSecurity" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureTradeAndNotesPayablesDetails" xlink:type="extended" xlink:title="42501 - Disclosure - TRADE AND NOTES PAYABLES (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xlink:to="srt_CurrencyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2022/currency-2022.xsd#currency_USD" xlink:label="currency_USD" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_USD" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:to="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CurrentNotesPayable" xlink:label="ach_CurrentNotesPayable" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:to="ach_CurrentNotesPayable" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentPayables" xlink:label="ifrs-full_NoncurrentPayables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:to="ifrs-full_NoncurrentPayables" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureTradeAndNotesPayablesAgeingAnalysisDetails" xlink:type="extended" xlink:title="42502 - Disclosure - TRADE AND NOTES PAYABLES - AGEING ANALYSIS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanThreeYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentPayables" xlink:label="ifrs-full_NoncurrentPayables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:to="ifrs-full_NoncurrentPayables" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureOtherLossesGainsNetDetails" xlink:type="extended" xlink:title="43001 - Disclosure - OTHER (LOSSES)GAINS-NET (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanHoaxinMember" xlink:label="ach_YunnanHoaxinMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_YunnanHoaxinMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" xlink:label="ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RealizedAndUnrealizedGainLossOnFuturesOptionsAndForwardContracts" xlink:label="ach_RealizedAndUnrealizedGainLossOnFuturesOptionsAndForwardContracts" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_RealizedAndUnrealizedGainLossOnFuturesOptionsAndForwardContracts" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GainsLossesOnDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssets" xlink:label="ach_GainsLossesOnDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_GainsLossesOnDisposalsOfPropertyPlantAndEquipmentAndIntangibleAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherGainsLossesOther" xlink:label="ach_OtherGainsLossesOther" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_OtherGainsLossesOther" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherGainsLosses" xlink:label="ifrs-full_OtherGainsLosses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_OtherGainsLosses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureOtherLossesGainsNetAdditionalInformationDetails" xlink:type="extended" xlink:title="43002 - Disclosure - OTHER (LOSSES)GAINS-NET - Additional information (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsStatementTable" xlink:label="ach_IfrsStatementTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ach_IfrsStatementTable" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanHoaxinMember" xlink:label="ach_YunnanHoaxinMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_YunnanHoaxinMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsStatementLineItems" xlink:label="ach_IfrsStatementLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_IfrsStatementLineItems" xlink:to="ach_IfrsStatementTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" xlink:label="ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_IfrsStatementLineItems" xlink:to="ach_GainLossOnDeemedDisposalAndDisposalOfSubsidiaries" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinanceIncomeFinanceCostsDetails" xlink:type="extended" xlink:title="43101 - Disclosure - FINANCE INCOME/FINANCE COSTS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinanceIncomeFinanceCostsTable" xlink:label="ach_FinanceIncomeFinanceCostsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ach_FinanceIncomeFinanceCostsTable" xlink:to="ifrs-full_RangeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangesMember" xlink:label="ifrs-full_RangesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_BottomOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_TopOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinanceIncomeFinanceCostsLineItems" xlink:label="ach_FinanceIncomeFinanceCostsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ach_FinanceIncomeFinanceCostsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncome" xlink:label="ifrs-full_FinanceIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ifrs-full_FinanceIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestCostsIncurred" xlink:label="ifrs-full_InterestCostsIncurred" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ifrs-full_InterestCostsIncurred" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestCostsCapitalised" xlink:label="ifrs-full_InterestCostsCapitalised" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ifrs-full_InterestCostsCapitalised" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestExpense" xlink:label="ifrs-full_InterestExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ifrs-full_InterestExpense" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceCosts" xlink:label="ifrs-full_FinanceCosts" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ifrs-full_FinanceCosts" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncomeCost" xlink:label="ifrs-full_FinanceIncomeCost" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ifrs-full_FinanceIncomeCost" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xlink:label="ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ach_FinanceIncomeFinanceCostsLineItems" xlink:to="ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureDirectorsAndSupervisorsRemunerationRemunerationOfEachDirectorAndSupervisorDetails" xlink:type="extended" xlink:title="43302 - Disclosure - DIRECTORS' AND SUPERVISORS' REMUNERATION - Remuneration of each director and supervisor (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ExecutiveDirectorsMember" xlink:label="ach_ExecutiveDirectorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ach_ExecutiveDirectorsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_JiangYinggangMember" xlink:label="ach_JiangYinggangMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_JiangYinggangMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_HeZhihuiMember" xlink:label="ach_HeZhihuiMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_HeZhihuiMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ZhuRunzhouMember" xlink:label="ach_ZhuRunzhouMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_ZhuRunzhouMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_JiangTaoMember" xlink:label="ach_JiangTaoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_JiangTaoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NonExecutiveDirectorsMember" xlink:label="ach_NonExecutiveDirectorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ach_NonExecutiveDirectorsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_WangJunDirectorsMember" xlink:label="ach_WangJunDirectorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_NonExecutiveDirectorsMember" xlink:to="ach_WangJunDirectorsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChenLijieMember" xlink:label="ach_ChenLijieMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_NonExecutiveDirectorsMember" xlink:to="ach_ChenLijieMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LieCheongTaiChongDavidMember" xlink:label="ach_LieCheongTaiChongDavidMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_NonExecutiveDirectorsMember" xlink:to="ach_LieCheongTaiChongDavidMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_HuShihaiMember" xlink:label="ach_HuShihaiMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_NonExecutiveDirectorsMember" xlink:to="ach_HuShihaiMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChanYuenSauKellyMember" xlink:label="ach_ChanYuenSauKellyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_NonExecutiveDirectorsMember" xlink:to="ach_ChanYuenSauKellyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_QiuGuanzhouMember" xlink:label="ach_QiuGuanzhouMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_NonExecutiveDirectorsMember" xlink:to="ach_QiuGuanzhouMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YuJingsongMember" xlink:label="ach_YuJingsongMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_NonExecutiveDirectorsMember" xlink:to="ach_YuJingsongMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SupervisorsMember" xlink:label="ach_SupervisorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ach_SupervisorsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_XuShuxiangMember" xlink:label="ach_XuShuxiangMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_SupervisorsMember" xlink:to="ach_XuShuxiangMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OuXiaowuMember" xlink:label="ach_OuXiaowuMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_SupervisorsMember" xlink:to="ach_OuXiaowuMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GuanXiaoguangMember" xlink:label="ach_GuanXiaoguangMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_SupervisorsMember" xlink:to="ach_GuanXiaoguangMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YueXuguangMember" xlink:label="ach_YueXuguangMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_SupervisorsMember" xlink:to="ach_YueXuguangMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_KeyManagementPersonnelCompensationFees" xlink:label="ach_KeyManagementPersonnelCompensationFees" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_KeyManagementPersonnelCompensationFees" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:label="ifrs-full_KeyManagementPersonnelCompensation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensation" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureDirectorsAndSupervisorsRemunerationRemunerationOfDirectorsAndSupervisorsOfCompanyFellWithinFollowingBandDetails" xlink:type="extended" xlink:title="43303 - Disclosure - DIRECTORS' AND SUPERVISORS' REMUNERATION - Remuneration of the directors and supervisors of the Company fell within following band (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ExecutiveDirectorsMember" xlink:label="ach_ExecutiveDirectorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ach_ExecutiveDirectorsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ZhuRunzhouMember" xlink:label="ach_ZhuRunzhouMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_ZhuRunzhouMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OuXiaowuMember" xlink:label="ach_OuXiaowuMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_OuXiaowuMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_JiangTaoMember" xlink:label="ach_JiangTaoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_JiangTaoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DirectorsMember" xlink:label="ach_DirectorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_DirectorsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SupervisorsMember" xlink:label="ach_SupervisorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_ExecutiveDirectorsMember" xlink:to="ach_SupervisorsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NonExecutiveDirectorsMember" xlink:label="ach_NonExecutiveDirectorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ach_NonExecutiveDirectorsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_WangJunDirectorsMember" xlink:label="ach_WangJunDirectorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_NonExecutiveDirectorsMember" xlink:to="ach_WangJunDirectorsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:label="ifrs-full_KeyManagementPersonnelCompensation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensation" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AnnualEmolumentsBeforeTax" xlink:label="ach_AnnualEmolumentsBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_AnnualEmolumentsBeforeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ConsiderationForAvailableDirectorsServices" xlink:label="ach_ConsiderationForAvailableDirectorsServices" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_ConsiderationForAvailableDirectorsServices" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" xlink:label="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_CashAdvancesAndLoansMadeToRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MaterialInterestsInTransactionsArrangementsOrContractsRelatedPartyTransactions" xlink:label="ach_MaterialInterestsInTransactionsArrangementsOrContractsRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_MaterialInterestsInTransactionsArrangementsOrContractsRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_KeyManagementPersonnelEmoluments" xlink:label="ach_KeyManagementPersonnelEmoluments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_KeyManagementPersonnelEmoluments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EmolumentsPaidToKeyManagementPersonnelNumberOfHighestPaidEmployees" xlink:label="ach_EmolumentsPaidToKeyManagementPersonnelNumberOfHighestPaidEmployees" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_EmolumentsPaidToKeyManagementPersonnelNumberOfHighestPaidEmployees" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureDirectorsAndSupervisorsRemunerationFiveHighestPaidIndividualsDetails" xlink:type="extended" xlink:title="43304 - Disclosure - DIRECTORS' AND SUPERVISORS' REMUNERATION - Five highest paid individuals (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_HighestPaidEmployeesOtherThanDirectorsAndSupervisorsMember" xlink:label="ach_HighestPaidEmployeesOtherThanDirectorsAndSupervisorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ach_HighestPaidEmployeesOtherThanDirectorsAndSupervisorsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EmolumentsPaidToKeyManagementPersonnelNumberOfHighestPaidEmployees" xlink:label="ach_EmolumentsPaidToKeyManagementPersonnelNumberOfHighestPaidEmployees" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_EmolumentsPaidToKeyManagementPersonnelNumberOfHighestPaidEmployees" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NumberOfDirectorsAmongFiveHighestPaidEmployees" xlink:label="ach_NumberOfDirectorsAmongFiveHighestPaidEmployees" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_NumberOfDirectorsAmongFiveHighestPaidEmployees" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:label="ifrs-full_KeyManagementPersonnelCompensation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensation" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureDirectorsAndSupervisorsRemunerationFiveHighestPaidIndividualsOthersDetails" xlink:type="extended" xlink:title="43305 - Disclosure - DIRECTORS' AND SUPERVISORS' REMUNERATION - Five highest paid individuals, Others (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_RangeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RangesMember" xlink:label="ifrs-full_RangesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_BottomOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_TopOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RemunerationAxis" xlink:label="ach_RemunerationAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ach_RemunerationAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RemunerationDomain" xlink:label="ach_RemunerationDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ach_RemunerationAxis" xlink:to="ach_RemunerationDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RmbNilToRmb1000000Member" xlink:label="ach_RmbNilToRmb1000000Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_RemunerationDomain" xlink:to="ach_RmbNilToRmb1000000Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NumberOfRemainingHighestPaidIndividualsOtherThanDirectorAndSupervisor" xlink:label="ach_NumberOfRemainingHighestPaidIndividualsOtherThanDirectorAndSupervisor" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_NumberOfRemainingHighestPaidIndividualsOtherThanDirectorAndSupervisor" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_HighestPaidKeyManagementPersonnelCompensationOtherThanDirectorAndSupervisor" xlink:label="ach_HighestPaidKeyManagementPersonnelCompensationOtherThanDirectorAndSupervisor" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_HighestPaidKeyManagementPersonnelCompensationOtherThanDirectorAndSupervisor" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureIncomeTaxExpenseDetails" xlink:type="extended" xlink:title="43401 - Disclosure - INCOME TAX EXPENSE (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncomeTaxDisclosureTable" xlink:label="ach_IncomeTaxDisclosureTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ach_IncomeTaxDisclosureTable" xlink:to="ifrs-full_GeographicalAreasAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeographicalAreasMember" xlink:label="ifrs-full_GeographicalAreasMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2022/country-2022.xsd#country_HK" xlink:label="country_HK" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="country_HK" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncomeTaxDisclosureLineItems" xlink:label="ach_IncomeTaxDisclosureLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ach_IncomeTaxDisclosureLineItems" xlink:to="ach_IncomeTaxDisclosureTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxExpenseIncome" xlink:label="ifrs-full_CurrentTaxExpenseIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_IncomeTaxDisclosureLineItems" xlink:to="ifrs-full_CurrentTaxExpenseIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DeferredTaxExpenseIncome" xlink:label="ifrs-full_DeferredTaxExpenseIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_IncomeTaxDisclosureLineItems" xlink:to="ifrs-full_DeferredTaxExpenseIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_IncomeTaxDisclosureLineItems" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ApplicableTaxRate" xlink:label="ifrs-full_ApplicableTaxRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_IncomeTaxDisclosureLineItems" xlink:to="ifrs-full_ApplicableTaxRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PreferredTaxRate" xlink:label="ach_PreferredTaxRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_IncomeTaxDisclosureLineItems" xlink:to="ach_PreferredTaxRate" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureNotesToConsolidatedStatementOfCashFlowsFinancingActivitiesDetails" xlink:type="extended" xlink:title="43702 - Disclosure - NOTES TO THE CONSOLIDATED STATEMENT OF CASH FLOWS - Financing activities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsBorrowingsMember" xlink:label="ach_IfrsBorrowingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:to="ach_IfrsBorrowingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotesAndBondsMember" xlink:label="ach_MediumTermNotesAndBondsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:to="ach_MediumTermNotesAndBondsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LeasesMember" xlink:label="ach_LeasesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:to="ach_LeasesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherPayablesArisingFromFinancingActivitiesMember" xlink:label="ach_OtherPayablesArisingFromFinancingActivitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:to="ach_OtherPayablesArisingFromFinancingActivitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SubTotalMember" xlink:label="ach_SubTotalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:to="ach_SubTotalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CashBankOverdraftMember" xlink:label="ach_CashBankOverdraftMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:to="ach_CashBankOverdraftMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Borrowings" xlink:label="ifrs-full_Borrowings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ifrs-full_Borrowings" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashOutflowForLeases" xlink:label="ifrs-full_CashOutflowForLeases" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ifrs-full_CashOutflowForLeases" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AdjustmentsForFinanceExpenses" xlink:label="ach_AdjustmentsForFinanceExpenses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ach_AdjustmentsForFinanceExpenses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" xlink:label="ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow" xlink:label="ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromBanks" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromBanks" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromBanks" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSignificantRelatedPartyBalancesAndTransactionsSignificantRelatedPartyTransactionsTableContentDetails" xlink:type="extended" xlink:title="43801 - Disclosure - SIGNIFICANT RELATED PARTY BALANCES AND TRANSACTIONS - Significant related party transactions - Table Content (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RelatedPartiesMember" xlink:label="ifrs-full_RelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ifrs-full_RelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinalcoAndItsSubsidiariesMember" xlink:label="ach_ChinalcoAndItsSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_ChinalcoAndItsSubsidiariesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FellowSubsidiariesMember" xlink:label="ach_FellowSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_FellowSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AssociatesOfChinalcoMember" xlink:label="ach_AssociatesOfChinalcoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_AssociatesOfChinalcoMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesWhereEntityIsVenturerMember" xlink:label="ifrs-full_JointVenturesWhereEntityIsVenturerMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ifrs-full_JointVenturesWhereEntityIsVenturerMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssociatesMember" xlink:label="ifrs-full_AssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ifrs-full_AssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SubsidiariesOfChinalcoMember" xlink:label="ach_SubsidiariesOfChinalcoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_SubsidiariesOfChinalcoMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NonControllingShareholderOfSubsidiaryAndItsSubsidiariesMember" xlink:label="ach_NonControllingShareholderOfSubsidiaryAndItsSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_NonControllingShareholderOfSubsidiaryAndItsSubsidiariesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaRareEarthCo.LtdMember" xlink:label="ach_ChinaRareEarthCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_ChinaRareEarthCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsRelatedPartyTransactionAxis" xlink:label="ach_IfrsRelatedPartyTransactionAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ach_IfrsRelatedPartyTransactionAxis" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsRelatedPartyTransactionDomain" xlink:label="ach_IfrsRelatedPartyTransactionDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ach_IfrsRelatedPartyTransactionAxis" xlink:to="ach_IfrsRelatedPartyTransactionDomain" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProvisionOfEngineeringConstructionAndSupervisoryServicesMember" xlink:label="ach_ProvisionOfEngineeringConstructionAndSupervisoryServicesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_ProvisionOfEngineeringConstructionAndSupervisoryServicesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RentalRevenueOfLandUseRightsAndBuildingsMember" xlink:label="ach_RentalRevenueOfLandUseRightsAndBuildingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_RentalRevenueOfLandUseRightsAndBuildingsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PurchasesOfEngineeringConstructionAndSupervisoryServicesMember" xlink:label="ach_PurchasesOfEngineeringConstructionAndSupervisoryServicesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_PurchasesOfEngineeringConstructionAndSupervisoryServicesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProvisionOfSocialServicesAndLogisticsServicesMember" xlink:label="ach_ProvisionOfSocialServicesAndLogisticsServicesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_ProvisionOfSocialServicesAndLogisticsServicesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PurchasesOfKeyAndAuxiliaryMaterialsEquipmentAndFinishedGoodsMember" xlink:label="ach_PurchasesOfKeyAndAuxiliaryMaterialsEquipmentAndFinishedGoodsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_PurchasesOfKeyAndAuxiliaryMaterialsEquipmentAndFinishedGoodsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProvisionOfUtilitiesServicesMember" xlink:label="ach_ProvisionOfUtilitiesServicesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_ProvisionOfUtilitiesServicesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProvisionOfOtherServicesMember" xlink:label="ach_ProvisionOfOtherServicesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_ProvisionOfOtherServicesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RentalExpensesForBuildingsAndLandUseRightsMember" xlink:label="ach_RentalExpensesForBuildingsAndLandUseRightsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_RentalExpensesForBuildingsAndLandUseRightsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsCashAndCashEquivalentsMember" xlink:label="ach_IfrsCashAndCashEquivalentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ach_IfrsRelatedPartyTransactionDomain" xlink:to="ach_IfrsCashAndCashEquivalentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SalesOfGoodsAndServicesRenderedAbstract" xlink:label="ach_SalesOfGoodsAndServicesRenderedAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_SalesOfGoodsAndServicesRenderedAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xlink:label="ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_SalesOfGoodsAndServicesRenderedAbstract" xlink:to="ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_UtilityServicesRenderedRelatedPartyTransactions" xlink:label="ach_UtilityServicesRenderedRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_SalesOfGoodsAndServicesRenderedAbstract" xlink:to="ach_UtilityServicesRenderedRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LeasesAsLessorRelatedPartyTransactions" xlink:label="ifrs-full_LeasesAsLessorRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_SalesOfGoodsAndServicesRenderedAbstract" xlink:to="ifrs-full_LeasesAsLessorRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PurchaseOfGoodsAndServicesAbstract" xlink:label="ach_PurchaseOfGoodsAndServicesAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_PurchaseOfGoodsAndServicesAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:label="ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_PurchaseOfGoodsAndServicesAbstract" xlink:to="ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LeasePaymentAbstract" xlink:label="ach_LeasePaymentAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_LeasePaymentAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LeasePaymentsRelatedPartyTransaction" xlink:label="ach_LeasePaymentsRelatedPartyTransaction" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_LeasePaymentAbstract" xlink:to="ach_LeasePaymentsRelatedPartyTransaction" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NewRightOfUseAssetsRelatedPartyTransactionAbstract" xlink:label="ach_NewRightOfUseAssetsRelatedPartyTransactionAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_NewRightOfUseAssetsRelatedPartyTransactionAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RightOfUseAssetsAdditionsRelatedPartyTransaction" xlink:label="ach_RightOfUseAssetsAdditionsRelatedPartyTransaction" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_NewRightOfUseAssetsRelatedPartyTransactionAbstract" xlink:to="ach_RightOfUseAssetsAdditionsRelatedPartyTransaction" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RightOfUseAssetsContractModificationsRelatedPartyTransaction" xlink:label="ach_RightOfUseAssetsContractModificationsRelatedPartyTransaction" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_NewRightOfUseAssetsRelatedPartyTransactionAbstract" xlink:to="ach_RightOfUseAssetsContractModificationsRelatedPartyTransaction" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:label="ifrs-full_InterestExpenseOnLeaseLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_NewRightOfUseAssetsRelatedPartyTransactionAbstract" xlink:to="ifrs-full_InterestExpenseOnLeaseLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherSignificantRelatedPartyTransactionsAbstract" xlink:label="ach_OtherSignificantRelatedPartyTransactionsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_OtherSignificantRelatedPartyTransactionsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TransfersUnderFinanceAgreementsToEntityRelatedPartyTransactions" xlink:label="ifrs-full_TransfersUnderFinanceAgreementsToEntityRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_OtherSignificantRelatedPartyTransactionsAbstract" xlink:to="ifrs-full_TransfersUnderFinanceAgreementsToEntityRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TransfersUnderFinanceAgreementsFromEntityRelatedPartyTransactions" xlink:label="ifrs-full_TransfersUnderFinanceAgreementsFromEntityRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_OtherSignificantRelatedPartyTransactionsAbstract" xlink:to="ifrs-full_TransfersUnderFinanceAgreementsFromEntityRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterestExpenseRelatedPartyTransactions" xlink:label="ach_InterestExpenseRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_OtherSignificantRelatedPartyTransactionsAbstract" xlink:to="ach_InterestExpenseRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradeReceivableFactoringArrangementRelatedPartyTransactions" xlink:label="ach_TradeReceivableFactoringArrangementRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ach_OtherSignificantRelatedPartyTransactionsAbstract" xlink:to="ach_TradeReceivableFactoringArrangementRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterestIncomeFromCashAndCashEquivalentsDeposited" xlink:label="ach_InterestIncomeFromCashAndCashEquivalentsDeposited" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ach_OtherSignificantRelatedPartyTransactionsAbstract" xlink:to="ach_InterestIncomeFromCashAndCashEquivalentsDeposited" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IssuanceOfNotesReceivableRelatedPartyTransactions" xlink:label="ach_IssuanceOfNotesReceivableRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ach_OtherSignificantRelatedPartyTransactionsAbstract" xlink:to="ach_IssuanceOfNotesReceivableRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:label="ifrs-full_AmountsReceivableRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_AmountsReceivableRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ServicesReceivedRelatedPartyTransactions" xlink:label="ifrs-full_ServicesReceivedRelatedPartyTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_ServicesReceivedRelatedPartyTransactions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSignificantRelatedPartyBalancesAndTransactionsBalancesWithRelatedPartiesDetails" xlink:type="extended" xlink:title="43802 - Disclosure - SIGNIFICANT RELATED PARTY BALANCES AND TRANSACTIONS - Balances with related parties (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RelatedPartiesMember" xlink:label="ifrs-full_RelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ifrs-full_RelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SubsidiariesOfChinalcoMember" xlink:label="ach_SubsidiariesOfChinalcoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_SubsidiariesOfChinalcoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_AssociatesOfChinalcoMember" xlink:label="ach_AssociatesOfChinalcoMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_AssociatesOfChinalcoMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesWhereEntityIsVenturerMember" xlink:label="ifrs-full_JointVenturesWhereEntityIsVenturerMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ifrs-full_JointVenturesWhereEntityIsVenturerMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssociatesMember" xlink:label="ifrs-full_AssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ifrs-full_AssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NonControllingShareholderOfSubsidiaryAndItsSubsidiariesMember" xlink:label="ach_NonControllingShareholderOfSubsidiaryAndItsSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_RelatedPartiesMember" xlink:to="ach_NonControllingShareholderOfSubsidiaryAndItsSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:label="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CashAndCashEquivalentsDepositedWithRelatedParties" xlink:label="ach_CashAndCashEquivalentsDepositedWithRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_CashAndCashEquivalentsDepositedWithRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradeAndNotesReceivablesDueFromRelatedPartiesBeforeProvisionForImpairment" xlink:label="ach_TradeAndNotesReceivablesDueFromRelatedPartiesBeforeProvisionForImpairment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_TradeAndNotesReceivablesDueFromRelatedPartiesBeforeProvisionForImpairment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProvisionsForDoubtfulDebtsRelatedToOutstandingBalancesOfRelatedPartyTransaction" xlink:label="ifrs-full_ProvisionsForDoubtfulDebtsRelatedToOutstandingBalancesOfRelatedPartyTransaction" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ifrs-full_ProvisionsForDoubtfulDebtsRelatedToOutstandingBalancesOfRelatedPartyTransaction" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherReceivablesDueFromRelatedParties" xlink:label="ifrs-full_TradeAndOtherReceivablesDueFromRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ifrs-full_TradeAndOtherReceivablesDueFromRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherCurrentAssetsDueFromRelatedPartiesBeforeProvisionForImpairment" xlink:label="ach_OtherCurrentAssetsDueFromRelatedPartiesBeforeProvisionForImpairment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_OtherCurrentAssetsDueFromRelatedPartiesBeforeProvisionForImpairment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProvisionsForImpairmentOfOtherCurrentAssetsRelatedToOutstandingBalancesOfRelatedPartyTransaction" xlink:label="ach_ProvisionsForImpairmentOfOtherCurrentAssetsRelatedToOutstandingBalancesOfRelatedPartyTransaction" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_ProvisionsForImpairmentOfOtherCurrentAssetsRelatedToOutstandingBalancesOfRelatedPartyTransaction" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherCurrentAssetsDueFromRelatedParties" xlink:label="ach_OtherCurrentAssetsDueFromRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_OtherCurrentAssetsDueFromRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherNonCurrentAssetsDueFromRelatedParties" xlink:label="ach_OtherNonCurrentAssetsDueFromRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_OtherNonCurrentAssetsDueFromRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterestBearingLoansAndBorrowingsFromRelatedParties" xlink:label="ach_InterestBearingLoansAndBorrowingsFromRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_InterestBearingLoansAndBorrowingsFromRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherPayablesToRelatedParties" xlink:label="ifrs-full_TradeAndOtherPayablesToRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ifrs-full_TradeAndOtherPayablesToRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherPayablesAndAccruedLiabilitiesDueToRelatedParties" xlink:label="ach_OtherPayablesAndAccruedLiabilitiesDueToRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_OtherPayablesAndAccruedLiabilitiesDueToRelatedParties" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ContractLiabilitiesDueToRelatedParties" xlink:label="ach_ContractLiabilitiesDueToRelatedParties" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ach_ContractLiabilitiesDueToRelatedParties" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSignificantRelatedPartyBalancesAndTransactionsCompensationOfDirectorsSupervisorsAndSeniorManagementDetails" xlink:type="extended" xlink:title="43803 - Disclosure - SIGNIFICANT RELATED PARTY BALANCES AND TRANSACTIONS - Compensation of directors, supervisors and senior management (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:label="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_KeyManagementPersonnelCompensationFees" xlink:label="ach_KeyManagementPersonnelCompensationFees" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_KeyManagementPersonnelCompensationFees" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:label="ifrs-full_KeyManagementPersonnelCompensation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensation" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureSignificantRelatedPartyBalancesAndTransactionsDetails" xlink:type="extended" xlink:title="43804 - Disclosure - SIGNIFICANT RELATED PARTY BALANCES AND TRANSACTIONS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:label="ifrs-full_EntitysTotalForBusinessCombinationsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_EntitysTotalForBusinessCombinationsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.LtdMember" xlink:label="ach_YunnanAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_YunnanAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PingguoAluminumCompanyLimitedMember" xlink:label="ach_PingguoAluminumCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_PingguoAluminumCompanyLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="dei_LegalEntityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanMetallurgicalGroupCo.Ltd.Member" xlink:label="ach_YunnanMetallurgicalGroupCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="dei_EntityDomain" xlink:to="ach_YunnanMetallurgicalGroupCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinalcoHighEndManufacturingCo.LtdMember" xlink:label="ach_ChinalcoHighEndManufacturingCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ach_ChinalcoHighEndManufacturingCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashTransferred" xlink:label="ifrs-full_CashTransferred" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_CashTransferred" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EquityMethodInvestmentPercentage" xlink:label="ach_EquityMethodInvestmentPercentage" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ach_EquityMethodInvestmentPercentage" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementDetails" xlink:type="extended" xlink:title="43901 - Disclosure - FINANCIAL AND CAPITAL RISK MANAGEMENT (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="ifrs-full_TypesOfRisksAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_TypesOfRisksAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksMember" xlink:label="ifrs-full_TypesOfRisksMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfRisksAxis" xlink:to="ifrs-full_TypesOfRisksMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrencyRiskMember" xlink:label="ifrs-full_CurrencyRiskMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TypesOfRisksMember" xlink:to="ifrs-full_CurrencyRiskMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestRateRiskMember" xlink:label="ifrs-full_InterestRateRiskMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TypesOfRisksMember" xlink:to="ifrs-full_InterestRateRiskMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PercentageOfReasonablyPossibleIncreaseInAssumption" xlink:label="ach_PercentageOfReasonablyPossibleIncreaseInAssumption" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_PercentageOfReasonablyPossibleIncreaseInAssumption" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PercentageOfReasonablyPossibleDecreaseInAssumption" xlink:label="ach_PercentageOfReasonablyPossibleDecreaseInAssumption" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_PercentageOfReasonablyPossibleDecreaseInAssumption" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleIncreaseInAssumption" xlink:label="ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleIncreaseInAssumption" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleIncreaseInAssumption" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleDecreaseInAssumption" xlink:label="ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleDecreaseInAssumption" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleDecreaseInAssumption" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DebtToAssetRatio" xlink:label="ach_DebtToAssetRatio" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_DebtToAssetRatio" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementCommodityPriceRiskDetails" xlink:type="extended" xlink:title="43902 - Disclosure - FINANCIAL AND CAPITAL RISK MANAGEMENT - Commodity price risk (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="ifrs-full_TypesOfRisksAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_TypesOfRisksAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksMember" xlink:label="ifrs-full_TypesOfRisksMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfRisksAxis" xlink:to="ifrs-full_TypesOfRisksMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CommodityPriceRiskMember" xlink:label="ifrs-full_CommodityPriceRiskMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TypesOfRisksMember" xlink:to="ifrs-full_CommodityPriceRiskMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_CommodityProductionTypeAxis" xlink:label="ach_CommodityProductionTypeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ach_CommodityProductionTypeAxis" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ProductionTypeMember" xlink:label="ach_ProductionTypeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ach_CommodityProductionTypeAxis" xlink:to="ach_ProductionTypeMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PrimaryAluminumMember" xlink:label="ach_PrimaryAluminumMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_ProductionTypeMember" xlink:to="ach_PrimaryAluminumMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_TypesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_TypesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesTypeMember" xlink:label="ifrs-full_FinancialLiabilitiesTypeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_FinancialLiabilitiesTypeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FuturesContractMember" xlink:label="ifrs-full_FuturesContractMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesTypeMember" xlink:to="ifrs-full_FuturesContractMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsCategoryMember" xlink:label="ifrs-full_FinancialAssetsCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_FinancialAssetsCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialAssetsCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="5" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_FinancialLiabilitiesCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesCategoryMember" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_FinancialAssetsAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PercentageOfReasonablyPossibleIncreaseInAssumption" xlink:label="ach_PercentageOfReasonablyPossibleIncreaseInAssumption" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_PercentageOfReasonablyPossibleIncreaseInAssumption" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PercentageOfReasonablyPossibleDecreaseInAssumption" xlink:label="ach_PercentageOfReasonablyPossibleDecreaseInAssumption" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_PercentageOfReasonablyPossibleDecreaseInAssumption" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleIncreaseInAssumption" xlink:label="ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleIncreaseInAssumption" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleIncreaseInAssumption" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleDecreaseInAssumption" xlink:label="ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleDecreaseInAssumption" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ach_IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleDecreaseInAssumption" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementCreditRiskDetails" xlink:type="extended" xlink:title="43903 - Disclosure - FINANCIAL AND CAPITAL RISK MANAGEMENT - Credit risk (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="ifrs-full_TypesOfRisksAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_TypesOfRisksAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypesOfRisksMember" xlink:label="ifrs-full_TypesOfRisksMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypesOfRisksAxis" xlink:to="ifrs-full_TypesOfRisksMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CreditRiskMember" xlink:label="ifrs-full_CreditRiskMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TypesOfRisksMember" xlink:to="ifrs-full_CreditRiskMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:label="ifrs-full_TwelvemonthExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:to="ifrs-full_TwelvemonthExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LifetimeExpectedCreditLossesMember" xlink:label="ifrs-full_LifetimeExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:to="ifrs-full_LifetimeExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_SimplifiedMember" xlink:label="ach_SimplifiedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:to="ach_SimplifiedMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:label="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" xlink:label="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:to="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:label="ifrs-full_FinancialInstrumentsNotCreditimpairedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" xlink:to="ifrs-full_FinancialInstrumentsNotCreditimpairedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:label="ifrs-full_FinancialInstrumentsCreditimpairedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember" xlink:to="ifrs-full_FinancialInstrumentsCreditimpairedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsMember" xlink:label="ifrs-full_FinancialAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_FinancialAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeReceivablesMember" xlink:label="ifrs-full_TradeReceivablesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ifrs-full_TradeReceivablesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherCurrentAssetsMember" xlink:label="ach_FinancialAssetsIncludedInOtherCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_FinancialAssetsIncludedInOtherCurrentAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RestrictedCashMember" xlink:label="ach_RestrictedCashMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_RestrictedCashMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsNotesReceivableMember" xlink:label="ach_IfrsNotesReceivableMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_IfrsNotesReceivableMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsCashAndCashEquivalentsMember" xlink:label="ach_IfrsCashAndCashEquivalentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_IfrsCashAndCashEquivalentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherNonCurrentAssetsMember" xlink:label="ach_FinancialAssetsIncludedInOtherNonCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_FinancialAssetsIncludedInOtherNonCurrentAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="ifrs-full_FinancialAssets" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementLiquidityMaturityProfileDetails" xlink:type="extended" xlink:title="43904 - Disclosure - FINANCIAL AND CAPITAL RISK MANAGEMENT - Liquidity Maturity profile (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:to="ifrs-full_MaturityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LaterThanTwoYearAndNotLaterThanFiveYearsMember" xlink:label="ach_LaterThanTwoYearAndNotLaterThanFiveYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ach_LaterThanTwoYearAndNotLaterThanFiveYearsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanFiveYearsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanFiveYearsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesMember" xlink:label="ifrs-full_FinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_FinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LeaseLiabilitiesMember" xlink:label="ifrs-full_LeaseLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ifrs-full_LeaseLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LongTermBankAndOtherLoansMember" xlink:label="ach_LongTermBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_LongTermBankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_MediumTermNotesAndBondsMember" xlink:label="ach_MediumTermNotesAndBondsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_MediumTermNotesAndBondsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBondsMember" xlink:label="ach_ShortTermBondsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_ShortTermBondsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ShortTermBankAndOtherLoansMember" xlink:label="ach_ShortTermBankAndOtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_ShortTermBankAndOtherLoansMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterestPayablesForBorrowingsMember" xlink:label="ach_InterestPayablesForBorrowingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_InterestPayablesForBorrowingsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesAtFairValueThroughProfitOrLossMember" xlink:label="ach_FinancialLiabilitiesAtFairValueThroughProfitOrLossMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_FinancialLiabilitiesAtFairValueThroughProfitOrLossMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesIncludedInOtherPayablesAndAccruedLiabilitiesExcludingAccruedInterestMember" xlink:label="ach_FinancialLiabilitiesIncludedInOtherPayablesAndAccruedLiabilitiesExcludingAccruedInterestMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_FinancialLiabilitiesIncludedInOtherPayablesAndAccruedLiabilitiesExcludingAccruedInterestMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" xlink:label="ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradeAndNotesPayablesMember" xlink:label="ach_TradeAndNotesPayablesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_TradeAndNotesPayablesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:label="ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:to="ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssetsLiabilities" xlink:label="ifrs-full_CurrentAssetsLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:to="ifrs-full_CurrentAssetsLiabilities" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementFinancialInstrumentsByCategoryDetails" xlink:type="extended" xlink:title="43905 - Disclosure - FINANCIAL AND CAPITAL RISK MANAGEMENT - Financial instruments by category (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsTable" xlink:label="ifrs-full_DisclosureOfFinancialAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsCategoryMember" xlink:label="ifrs-full_FinancialAssetsCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_FinancialAssetsCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialAssetsCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialAssetsCategoryMember" xlink:to="ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:label="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FinancialAssetsCategoryMember" xlink:to="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsMember" xlink:label="ifrs-full_FinancialAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_FinancialAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradeAndNotesReceivablesCurrentMember" xlink:label="ach_TradeAndNotesReceivablesCurrentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_TradeAndNotesReceivablesCurrentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NotesReceivablesMember" xlink:label="ach_NotesReceivablesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_NotesReceivablesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_RestrictedCashAndTimeDepositsMember" xlink:label="ach_RestrictedCashAndTimeDepositsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_RestrictedCashAndTimeDepositsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsCashAndCashEquivalentsMember" xlink:label="ach_IfrsCashAndCashEquivalentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_IfrsCashAndCashEquivalentsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherCurrentAssetsMember" xlink:label="ach_FinancialAssetsIncludedInOtherCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_FinancialAssetsIncludedInOtherCurrentAssetsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialAssetsIncludedInOtherNonCurrentAssetsMember" xlink:label="ach_FinancialAssetsIncludedInOtherNonCurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_FinancialAssetsIncludedInOtherNonCurrentAssetsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherFinancialAssetsMeasuredAtFairValueMember" xlink:label="ach_OtherFinancialAssetsMeasuredAtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_OtherFinancialAssetsMeasuredAtFairValueMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IfrsOtherNoncurrentAssetsMember" xlink:label="ach_IfrsOtherNoncurrentAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ach_IfrsOtherNoncurrentAssetsMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_FinancialLiabilitiesCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesCategoryMember" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialLiabilitiesCategoryMember" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesMember" xlink:label="ifrs-full_FinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_FinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesAtFairValueThroughProfitOrLossCurrentMember" xlink:label="ach_FinancialLiabilitiesAtFairValueThroughProfitOrLossCurrentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_FinancialLiabilitiesAtFairValueThroughProfitOrLossCurrentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterestBearingLoansAndBorrowingsCurrentMember" xlink:label="ach_InterestBearingLoansAndBorrowingsCurrentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_InterestBearingLoansAndBorrowingsCurrentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesIncludedInOtherPayablesAndAccruedLiabilitiesCurrentMember" xlink:label="ach_FinancialLiabilitiesIncludedInOtherPayablesAndAccruedLiabilitiesCurrentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_FinancialLiabilitiesIncludedInOtherPayablesAndAccruedLiabilitiesCurrentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_TradeAndNotesPayablesCurrentMember" xlink:label="ach_TradeAndNotesPayablesCurrentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_TradeAndNotesPayablesCurrentMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" xlink:label="ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_InterestBearingLoansAndBorrowingsMember" xlink:label="ach_InterestBearingLoansAndBorrowingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_InterestBearingLoansAndBorrowingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherCurrentAssetsAbstract" xlink:label="ach_OtherCurrentAssetsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ach_OtherCurrentAssetsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentFinancialAssets" xlink:label="ifrs-full_CurrentFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_OtherCurrentAssetsAbstract" xlink:to="ifrs-full_CurrentFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentFinancialAssets" xlink:label="ifrs-full_NoncurrentFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_OtherCurrentAssetsAbstract" xlink:to="ifrs-full_NoncurrentFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_OtherCurrentAssetsAbstract" xlink:to="ifrs-full_FinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_DisclosureOfOtherCurrentLiabilitiesAbstract" xlink:label="ach_DisclosureOfOtherCurrentLiabilitiesAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="ach_DisclosureOfOtherCurrentLiabilitiesAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentFinancialLiabilities" xlink:label="ifrs-full_CurrentFinancialLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_DisclosureOfOtherCurrentLiabilitiesAbstract" xlink:to="ifrs-full_CurrentFinancialLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentFinancialLiabilities" xlink:label="ifrs-full_NoncurrentFinancialLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_DisclosureOfOtherCurrentLiabilitiesAbstract" xlink:to="ifrs-full_NoncurrentFinancialLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilities" xlink:label="ifrs-full_FinancialLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ach_DisclosureOfOtherCurrentLiabilitiesAbstract" xlink:to="ifrs-full_FinancialLiabilities" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementFairValueDetails" xlink:type="extended" xlink:title="43906 - Disclosure - FINANCIAL AND CAPITAL RISK MANAGEMENT - Fair value (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesMember" xlink:label="ifrs-full_FinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_FinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesForWhichCarryingAmountDoNotReasonablyApproximateFairValueMember" xlink:label="ach_FinancialLiabilitiesForWhichCarryingAmountDoNotReasonablyApproximateFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_FinancialLiabilitiesForWhichCarryingAmountDoNotReasonablyApproximateFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" xlink:label="ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_FinancialLiabilitiesForWhichCarryingAmountDoNotReasonablyApproximateFairValueMember" xlink:to="ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LongTermInterestBearingLoansAndBorrowingsExcludingLeaseLiabilityMember" xlink:label="ach_LongTermInterestBearingLoansAndBorrowingsExcludingLeaseLiabilityMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_FinancialLiabilitiesForWhichCarryingAmountDoNotReasonablyApproximateFairValueMember" xlink:to="ach_LongTermInterestBearingLoansAndBorrowingsExcludingLeaseLiabilityMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FairValueMeasurementOfAssetsAbstract" xlink:label="ach_FairValueMeasurementOfAssetsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ach_FairValueMeasurementOfAssetsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_FairValueMeasurementOfAssetsAbstract" xlink:to="ifrs-full_FinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_FairValueMeasurementOfAssetsAbstract" xlink:to="ifrs-full_FinancialAssetsAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FairValueMeasurementOfLiabilitiesAbstract" xlink:label="ach_FairValueMeasurementOfLiabilitiesAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ach_FairValueMeasurementOfLiabilitiesAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilities" xlink:label="ifrs-full_FinancialLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_FairValueMeasurementOfLiabilitiesAbstract" xlink:to="ifrs-full_FinancialLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ach_FairValueMeasurementOfLiabilitiesAbstract" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureFinancialAndCapitalRiskManagementFairValueHierarchyDetails" xlink:type="extended" xlink:title="43907 - Disclosure - FINANCIAL AND CAPITAL RISK MANAGEMENT - Fair value hierarchy (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_MeasurementAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AggregatedMeasurementMember" xlink:label="ifrs-full_AggregatedMeasurementMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_AggregatedMeasurementMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" xlink:label="ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AggregatedMeasurementMember" xlink:to="ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:label="ifrs-full_AllLevelsOfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_AllLevelsOfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Level1OfFairValueHierarchyMember" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:to="ifrs-full_Level1OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsMember" xlink:label="ifrs-full_FinancialAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_FinancialAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsAtFairValueMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NotesReceivablesMember" xlink:label="ach_NotesReceivablesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialAssetsAtFairValueMember" xlink:to="ach_NotesReceivablesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ListedEquityInvestmentsMember" xlink:label="ach_ListedEquityInvestmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialAssetsAtFairValueMember" xlink:to="ach_ListedEquityInvestmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherUnlistedInvestmentsMember" xlink:label="ach_OtherUnlistedInvestmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FinancialAssetsAtFairValueMember" xlink:to="ach_OtherUnlistedInvestmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesMember" xlink:label="ifrs-full_FinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_FinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesAtFairValueMember" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FuturesContractMember" xlink:label="ifrs-full_FuturesContractMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialLiabilitiesAtFairValueMember" xlink:to="ifrs-full_FuturesContractMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" xlink:label="ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_FinancialLiabilitiesIncludedInOtherNonCurrentLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_LongTermInterestBearingLoansAndBorrowingsMember" xlink:label="ach_LongTermInterestBearingLoansAndBorrowingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FinancialLiabilitiesMember" xlink:to="ach_LongTermInterestBearingLoansAndBorrowingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FairValueMeasurementOfAssetsAbstract" xlink:label="ach_FairValueMeasurementOfAssetsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ach_FairValueMeasurementOfAssetsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_FairValueMeasurementOfAssetsAbstract" xlink:to="ifrs-full_FinancialAssetsAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_FairValueMeasurementOfLiabilitiesAbstract" xlink:label="ach_FairValueMeasurementOfLiabilitiesAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ach_FairValueMeasurementOfLiabilitiesAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_FairValueMeasurementOfLiabilitiesAbstract" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureNonControllingInterestsDetails" xlink:type="extended" xlink:title="44001 - Disclosure - NON - CONTROLLING INTERESTS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" xlink:label="ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_ChinaAluminumNingxiaEnergyGroupCompanyLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.LtdMember" xlink:label="ach_YunnanAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_YunnanAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests" xlink:label="ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:label="ifrs-full_DividendsPaidToNoncontrollingInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_DividendsPaidToNoncontrollingInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_NoncontrollingInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_Revenue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingExpense" xlink:label="ifrs-full_OperatingExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_OperatingExpense" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_ProfitLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_ComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_CurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_NoncurrentAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_CurrentLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_NoncurrentLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="18" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureBusinessCombinationUnderCommonControlDetails" xlink:type="extended" xlink:title="44101 - Disclosure - BUSINESS COMBINATION UNDER COMMON CONTROL - (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:label="ifrs-full_EntitysTotalForBusinessCombinationsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_EntitysTotalForBusinessCombinationsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_GalliumBusinessOfChinaRareEarthMember" xlink:label="ach_GalliumBusinessOfChinaRareEarthMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_GalliumBusinessOfChinaRareEarthMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_ChongqingXinanTransportationMember" xlink:label="ach_ChongqingXinanTransportationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_ChongqingXinanTransportationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanAluminumCo.LtdMember" xlink:label="ach_YunnanAluminumCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_YunnanAluminumCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PingguoAluminumCompanyLimitedMember" xlink:label="ach_PingguoAluminumCompanyLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_PingguoAluminumCompanyLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_HenanZhongzhouLogisticsCo.Ltd.Member" xlink:label="ach_HenanZhongzhouLogisticsCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ach_HenanZhongzhouLogisticsCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="dei_LegalEntityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanMetallurgicalGroupCo.Ltd.Member" xlink:label="ach_YunnanMetallurgicalGroupCo.Ltd.Member" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="dei_EntityDomain" xlink:to="ach_YunnanMetallurgicalGroupCo.Ltd.Member" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashTransferred" xlink:label="ifrs-full_CashTransferred" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_CashTransferred" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueOfAcquiree" xlink:label="ifrs-full_RevenueOfAcquiree" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_RevenueOfAcquiree" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossOfAcquiree" xlink:label="ifrs-full_ProfitLossOfAcquiree" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_ProfitLossOfAcquiree" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:label="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:label="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:label="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IdentifiableAssetsAcquiredLiabilitiesAssumedAttributableToNonControllingInterests" xlink:label="ach_IdentifiableAssetsAcquiredLiabilitiesAssumedAttributableToNonControllingInterests" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ach_IdentifiableAssetsAcquiredLiabilitiesAssumedAttributableToNonControllingInterests" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_IdentifiableAssetsAcquiredLiabilitiesAssumedAttributableToOwnersOfParent" xlink:label="ach_IdentifiableAssetsAcquiredLiabilitiesAssumedAttributableToOwnersOfParent" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ach_IdentifiableAssetsAcquiredLiabilitiesAssumedAttributableToOwnersOfParent" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_NumberOfCommonSharesAgreedToDispose" xlink:label="ach_NumberOfCommonSharesAgreedToDispose" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ach_NumberOfCommonSharesAgreedToDispose" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PercentageOfEquityInterestAgreedToDispose" xlink:label="ach_PercentageOfEquityInterestAgreedToDispose" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ach_PercentageOfEquityInterestAgreedToDispose" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates" xlink:label="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_PercentageOfCommonSharesHeld" xlink:label="ach_PercentageOfCommonSharesHeld" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:to="ach_PercentageOfCommonSharesHeld" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureDisposalOfSubsidiariesDetails" xlink:type="extended" xlink:title="44201 - Disclosure - DISPOSAL OF SUBSIDIARIES (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForSubsidiariesMember" xlink:label="ifrs-full_EntitysTotalForSubsidiariesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_EntitysTotalForSubsidiariesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_YunnanHaoxinAluminumFoilCo.LtdMember" xlink:label="ach_YunnanHaoxinAluminumFoilCo.LtdMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="ach_YunnanHaoxinAluminumFoilCo.LtdMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_EquityInterestAcquiredConsiderationPercentageOfEquityInterestsTransferredInSubsidiary" xlink:label="ach_EquityInterestAcquiredConsiderationPercentageOfEquityInterestsTransferredInSubsidiary" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ach_EquityInterestAcquiredConsiderationPercentageOfEquityInterestsTransferredInSubsidiary" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.chalco.com.cn/role/DisclosureCommitmentsDetails" xlink:type="extended" xlink:title="44401 - Disclosure - COMMITMENTS (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AssociatesMember" xlink:label="ifrs-full_AssociatesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ifrs-full_AssociatesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_JointVenturesMember" xlink:label="ifrs-full_JointVenturesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ifrs-full_JointVenturesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentsAccountedForUsingEquityMethodMember" xlink:label="ifrs-full_InvestmentsAccountedForUsingEquityMethodMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ifrs-full_InvestmentsAccountedForUsingEquityMethodMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:label="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:to="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CapitalCommitmentsAbstract" xlink:label="ifrs-full_CapitalCommitmentsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:to="ifrs-full_CapitalCommitmentsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ContractualCapitalCommitments" xlink:label="ifrs-full_ContractualCapitalCommitments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CapitalCommitmentsAbstract" xlink:to="ifrs-full_ContractualCapitalCommitments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="ach-20221231.xsd#ach_OtherCapitalCommitmentsAbstract" xlink:label="ach_OtherCapitalCommitmentsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems" xlink:to="ach_OtherCapitalCommitmentsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CapitalCommitments" xlink:label="ifrs-full_CapitalCommitments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ach_OtherCapitalCommitmentsAbstract" xlink:to="ifrs-full_CapitalCommitments" priority="1" use="optional" />
  </definitionLink>
</link:linkbase>